diff --git a/src/decorators/privileges.decorator.ts b/src/decorators/privileges.decorator.ts
index f3b3cbf..2613f50 100644
--- a/src/decorators/privileges.decorator.ts
+++ b/src/decorators/privileges.decorator.ts
@@ -4,5 +4,5 @@ import { SetMetadata } from '@nestjs/common';
  * Restrict this route to only these privileges. AND logic!
  * @param privileges List of privileges for this route
  */
-export const Privileges = (...privileges: string[]) =>
+export const Privileges = (...privileges: (string | string[])[]) =>
   SetMetadata('privileges', privileges);
diff --git a/src/guards/privileges.guard.ts b/src/guards/privileges.guard.ts
index 0b89c65..7a7f30d 100644
--- a/src/guards/privileges.guard.ts
+++ b/src/guards/privileges.guard.ts
@@ -9,7 +9,7 @@ export class PrivilegesGuard implements CanActivate {
   constructor(private reflector: Reflector) {}
 
   canActivate(context: ExecutionContext): boolean {
-    const privileges = this.reflector.get<string[]>(
+    const privileges = this.reflector.get<(string | string[])[]>(
       'privileges',
       context.getHandler(),
     );
@@ -18,6 +18,20 @@ export class PrivilegesGuard implements CanActivate {
     }
     const request = context.switchToHttp().getRequest();
     const user = request.user;
+
+    const withOrLogic = privileges.some((entry) => Array.isArray(entry));
+    if (withOrLogic) {
+      return privileges.some((entry) => {
+        if (Array.isArray(entry)) {
+          return entry.every((item) =>
+            user.privileges.find(({ name }) => name === item),
+          );
+        } else {
+          return user.privileges.find(({ name }) => name === entry);
+        }
+      });
+    }
+
     return privileges.every((item) =>
       user.privileges.find(({ name }) => name === item),
     );
diff --git a/src/modules/api/admin/admin.service.ts b/src/modules/api/admin/admin.service.ts
index 6c235bb..9520671 100644
--- a/src/modules/api/admin/admin.service.ts
+++ b/src/modules/api/admin/admin.service.ts
@@ -1,7 +1,11 @@
 import { Injectable } from '@nestjs/common';
+import { Client } from 'connect-redis';
 import { OAuth2Client } from 'src/modules/objects/oauth2-client/oauth2-client.entity';
+import { User } from 'src/modules/objects/user/user.entity';
 import { FormUtilityService } from 'src/modules/utility/services/form-utility.service';
 
+const UNPRIVILEGED_STRIP = ['openid', 'id_token', 'management', 'implicit'];
+
 @Injectable()
 export class AdminService {
   constructor(private _form: FormUtilityService) {}
@@ -14,4 +18,26 @@ export class AdminService {
         : null,
     } as Partial<OAuth2Client>;
   }
+
+  public userHasPrivilege(user: User, privilege: string): boolean {
+    return user.privileges.some(({ name }) => name === privilege);
+  }
+
+  public userCanEditClient(user: User, client: Client): boolean {
+    if (this.userHasPrivilege(user, 'admin:oauth2')) {
+      return true;
+    }
+
+    return client.owner?.id === user.id;
+  }
+
+  public removeUnprivileged(input: string[]): string[] {
+    return input.reduce((list, current) => {
+      if (UNPRIVILEGED_STRIP.includes(current)) {
+        return list;
+      }
+
+      return [...list, current];
+    }, []);
+  }
 }
diff --git a/src/modules/api/admin/oauth2-admin.controller.ts b/src/modules/api/admin/oauth2-admin.controller.ts
index ce9ee06..1cb87a0 100644
--- a/src/modules/api/admin/oauth2-admin.controller.ts
+++ b/src/modules/api/admin/oauth2-admin.controller.ts
@@ -10,6 +10,7 @@ import {
   Post,
   Put,
   Query,
+  UnauthorizedException,
   UploadedFile,
   UseGuards,
   UseInterceptors,
@@ -36,6 +37,7 @@ import { TokenService } from 'src/modules/utility/services/token.service';
 import { PageOptions } from 'src/types/pagination.interfaces';
 import { AdminService } from './admin.service';
 import { OAuth2TokenService } from 'src/modules/objects/oauth2-token/oauth2-token.service';
+import { Throttle } from '@nestjs/throttler';
 
 const RELATIONS = ['urls', 'picture', 'owner'];
 const SET_CLIENT_FIELDS = [
@@ -66,22 +68,47 @@ export class OAuth2AdminController {
 
   @Get('scopes')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
-  async oauth2Scopes() {
-    return this._oaClient.availableScopes;
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
+  async oauth2Scopes(@CurrentUser() user: User) {
+    const reducedPermissions = !this._service.userHasPrivilege(
+      user,
+      'admin:oauth2',
+    );
+
+    return reducedPermissions
+      ? this._service.removeUnprivileged(this._oaClient.availableScopes)
+      : this._oaClient.availableScopes;
   }
 
   @Get('grants')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
-  async oauth2Grants() {
-    return this._oaClient.availableGrantTypes;
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
+  async oauth2Grants(@CurrentUser() user: User) {
+    const reducedPermissions = !this._service.userHasPrivilege(
+      user,
+      'admin:oauth2',
+    );
+
+    return reducedPermissions
+      ? this._service.removeUnprivileged(this._oaClient.availableGrantTypes)
+      : this._oaClient.availableGrantTypes;
   }
 
   @Get('clients')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
-  async oauth2ClientList(@Query() options: { q?: string } & PageOptions) {
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
+  async oauth2ClientList(
+    @Query() options: { q?: string } & PageOptions,
+    @CurrentUser() user: User,
+  ) {
+    if (!this._service.userHasPrivilege(user, 'admin:oauth2')) {
+      const unprivileged = await this._oaClient.getClientsByOwner(
+        user,
+        RELATIONS,
+      );
+      return unprivileged.map((item) => this._service.stripClientInfo(item));
+    }
+
     const search = options.q ? decodeURIComponent(options.q) : null;
     const resultCount = await this._oaClient.searchClientsCount(
       search,
@@ -108,29 +135,49 @@ export class OAuth2AdminController {
 
   @Get('clients/:id')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
-  async oauth2Client(@Param('id') id: string) {
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
+  async oauth2Client(@Param('id') id: string, @CurrentUser() user: User) {
     const client = await this._oaClient.getById(parseInt(id, 10), RELATIONS);
     if (!client) {
       throw new NotFoundException('Client not found');
     }
+
+    if (!this._service.userCanEditClient(user, client)) {
+      throw new UnauthorizedException(
+        'You do not have permission to view this client',
+      );
+    }
+
     return this._service.stripClientInfo(client);
   }
 
   @Patch('clients/:id')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
   async updateOauth2Client(
     @Param('id') id: string,
     @Body() setter: Partial<OAuth2Client>,
+    @CurrentUser() user: User,
   ) {
     const client = await this._oaClient.getById(parseInt(id, 10), []);
     if (!client) {
       throw new NotFoundException('Client not found');
     }
 
+    if (!this._service.userCanEditClient(user, client)) {
+      throw new UnauthorizedException(
+        'You do not have permission to edit this client',
+      );
+    }
+
     const allowedFieldsOnly = this._form.pluckObject(setter, SET_CLIENT_FIELDS);
 
+    // Non-admin cannot change the activated or verified status
+    if (!this._service.userHasPrivilege(user, 'admin:oauth2')) {
+      delete allowedFieldsOnly.activated;
+      delete allowedFieldsOnly.verified;
+    }
+
     if (!Object.keys(allowedFieldsOnly).length) {
       return this._service.stripClientInfo(client);
     }
@@ -143,13 +190,19 @@ export class OAuth2AdminController {
 
   @Post('clients/:id/new-secret')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
-  async createNewSecret(@Param('id') id: string) {
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
+  async createNewSecret(@Param('id') id: string, @CurrentUser() user: User) {
     const client = await this._oaClient.getById(parseInt(id, 10), []);
     if (!client) {
       throw new NotFoundException('Client not found');
     }
 
+    if (!this._service.userCanEditClient(user, client)) {
+      throw new UnauthorizedException(
+        'You do not have permission to edit this client',
+      );
+    }
+
     client.client_secret = this._token.generateSecret();
     await this._oaClient.updateClient(client);
 
@@ -162,13 +215,22 @@ export class OAuth2AdminController {
 
   @Delete('clients/:id/authorizations')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
-  async deleteClientAuthorizations(@Param('id') id: string) {
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
+  async deleteClientAuthorizations(
+    @Param('id') id: string,
+    @CurrentUser() user: User,
+  ) {
     const client = await this._oaClient.getById(parseInt(id, 10), []);
     if (!client) {
       throw new NotFoundException('Client not found');
     }
 
+    if (!this._service.userCanEditClient(user, client)) {
+      throw new UnauthorizedException(
+        'You do not have permission to edit this client',
+      );
+    }
+
     await this._oaClient.wipeClientAuthorizations(client);
 
     return this._service.stripClientInfo(client);
@@ -176,21 +238,29 @@ export class OAuth2AdminController {
 
   @Get('clients/:id/urls')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
-  async oauth2ClientURLs(@Param('id') id: string) {
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
+  async oauth2ClientURLs(@Param('id') id: string, @CurrentUser() user: User) {
     const client = await this._oaClient.getById(parseInt(id, 10), ['urls']);
     if (!client) {
       throw new NotFoundException('Client not found');
     }
+
+    if (!this._service.userCanEditClient(user, client)) {
+      throw new UnauthorizedException(
+        'You do not have permission to edit this client',
+      );
+    }
+
     return client.urls;
   }
 
   @Delete('clients/:id/urls/:url')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
   async deleteOAuth2ClientURL(
     @Param('id') id: string,
     @Param('url') urlId: string,
+    @CurrentUser() user: User,
   ) {
     const client = await this._oaClient.getById(parseInt(id, 10), ['urls']);
     const parsedURLId = parseInt(urlId, 10);
@@ -199,6 +269,12 @@ export class OAuth2AdminController {
       throw new NotFoundException('Client not found');
     }
 
+    if (!this._service.userCanEditClient(user, client)) {
+      throw new UnauthorizedException(
+        'You do not have permission to edit this client',
+      );
+    }
+
     if (!parsedURLId) {
       throw new BadRequestException('Invalid URL ID');
     }
@@ -215,11 +291,12 @@ export class OAuth2AdminController {
 
   @Put('clients/:id/urls/:url')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
   async updateOAuth2ClientURL(
     @Param('id') id: string,
     @Param('url') urlId: string,
     @Body() setter: { url: string; type: string },
+    @CurrentUser() user: User,
   ) {
     const client = await this._oaClient.getById(parseInt(id, 10), ['urls']);
     const plucked = this._form.pluckObject(setter, ['url', 'type']);
@@ -229,6 +306,12 @@ export class OAuth2AdminController {
       throw new NotFoundException('Client not found');
     }
 
+    if (!this._service.userCanEditClient(user, client)) {
+      throw new UnauthorizedException(
+        'You do not have permission to edit this client',
+      );
+    }
+
     if (!parsedURLId) {
       throw new BadRequestException('Invalid URL ID');
     }
@@ -249,16 +332,23 @@ export class OAuth2AdminController {
 
   @Post('clients/:id/urls')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
   async createOAuth2ClientURL(
     @Param('id') id: string,
     @Body() setter: { url: string; type: string },
+    @CurrentUser() user: User,
   ) {
     const client = await this._oaClient.getById(parseInt(id, 10), ['urls']);
     if (!client) {
       throw new NotFoundException('Client not found');
     }
 
+    if (!this._service.userCanEditClient(user, client)) {
+      throw new UnauthorizedException(
+        'You do not have permission to edit this client',
+      );
+    }
+
     if (!setter.url || !setter.type || !URL_TYPES.includes(setter.type)) {
       throw new NotFoundException('Missing or invalid fields');
     }
@@ -272,9 +362,10 @@ export class OAuth2AdminController {
     return url;
   }
 
+  @Throttle(3, 60)
   @Post('clients/:id/picture')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
   @UseInterceptors(FileInterceptor('file'))
   async uploadClientPictureFile(
     @CurrentUser() user: User,
@@ -288,6 +379,12 @@ export class OAuth2AdminController {
         throw new NotFoundException('Client not found');
       }
 
+      if (!this._service.userCanEditClient(user, client)) {
+        throw new UnauthorizedException(
+          'You do not have permission to edit this client',
+        );
+      }
+
       if (!file) {
         throw new BadRequestException('Picture upload failed');
       }
@@ -315,13 +412,22 @@ export class OAuth2AdminController {
 
   @Delete('clients/:id/picture')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
-  async deleteClientPictureFile(@Param('id') id: string) {
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
+  async deleteClientPictureFile(
+    @Param('id') id: string,
+    @CurrentUser() user: User,
+  ) {
     const client = await this._oaClient.getById(parseInt(id, 10), ['picture']);
     if (!client) {
       throw new NotFoundException('Client not found');
     }
 
+    if (!this._service.userCanEditClient(user, client)) {
+      throw new UnauthorizedException(
+        'You do not have permission to edit this client',
+      );
+    }
+
     this._oaClient.deletePicture(client);
     client.picture = null;
     await this._oaClient.updateClient(client);
@@ -332,12 +438,16 @@ export class OAuth2AdminController {
   // New client
   @Post('/clients')
   @Scopes('management')
-  @Privileges('admin', 'admin:oauth2')
+  @Privileges(['admin', 'admin:oauth2'], 'self:oauth2')
   async createNewClient(
     @Body() setter: Partial<OAuth2Client>,
     @CurrentUser() user: User,
   ) {
     const allowedFieldsOnly = this._form.pluckObject(setter, SET_CLIENT_FIELDS);
+    const reducedPermissions = !this._service.userHasPrivilege(
+      user,
+      'admin:oauth2',
+    );
 
     if (!Object.keys(allowedFieldsOnly).length) {
       throw new BadRequestException('Required fields are missing');
@@ -349,20 +459,21 @@ export class OAuth2AdminController {
 
     const splitGrants = allowedFieldsOnly.grants.split(' ');
     const splitScopes = allowedFieldsOnly.scope.split(' ');
+    let availableGrantTypes = this._oaClient.availableGrantTypes;
+    let availableScopes = this._oaClient.availableScopes;
 
-    if (
-      !splitGrants.every((grant) =>
-        this._oaClient.availableGrantTypes.includes(grant),
-      )
-    ) {
+    if (reducedPermissions) {
+      availableGrantTypes =
+        this._service.removeUnprivileged(availableGrantTypes);
+      availableScopes = this._service.removeUnprivileged(availableScopes);
+      allowedFieldsOnly.activated = true;
+    }
+
+    if (!splitGrants.every((grant) => availableGrantTypes.includes(grant))) {
       throw new BadRequestException('Bad grant types');
     }
 
-    if (
-      !splitScopes.every((scope) =>
-        this._oaClient.availableScopes.includes(scope),
-      )
-    ) {
+    if (!splitScopes.every((scope) => availableScopes.includes(scope))) {
       throw new BadRequestException('Bad scopes');
     }
 
diff --git a/src/modules/objects/oauth2-client/oauth2-client.service.ts b/src/modules/objects/oauth2-client/oauth2-client.service.ts
index 45e30f9..690f493 100644
--- a/src/modules/objects/oauth2-client/oauth2-client.service.ts
+++ b/src/modules/objects/oauth2-client/oauth2-client.service.ts
@@ -159,6 +159,9 @@ export class OAuth2ClientService {
             {
               title: ILike(`%${search}%`),
             },
+            {
+              client_id: search,
+            },
           ]
         : undefined,
       skip: offset,
@@ -177,12 +180,25 @@ export class OAuth2ClientService {
             {
               title: ILike(`%${search}%`),
             },
+            {
+              client_id: search,
+            },
           ]
         : undefined,
       relations,
     });
   }
 
+  public async getClientsByOwner(
+    owner: User,
+    relations?: string[],
+  ): Promise<OAuth2Client[]> {
+    return this.clientRepository.find({
+      where: { owner: { id: owner.id } },
+      relations,
+    });
+  }
+
   public async getClientURLs(
     id: string,
     type?: OAuth2ClientURLType,
diff --git a/src/modules/static-front-end/settings/settings.controller.ts b/src/modules/static-front-end/settings/settings.controller.ts
index 272b562..cdfb2e2 100644
--- a/src/modules/static-front-end/settings/settings.controller.ts
+++ b/src/modules/static-front-end/settings/settings.controller.ts
@@ -15,6 +15,7 @@ import {
   UseInterceptors,
 } from '@nestjs/common';
 import { FileInterceptor } from '@nestjs/platform-express';
+import { Throttle } from '@nestjs/throttler';
 import { Request, Response } from 'express';
 import { unlink } from 'fs/promises';
 import { OAuth2ClientService } from 'src/modules/objects/oauth2-client/oauth2-client.service';
@@ -83,6 +84,7 @@ export class SettingsController {
     res.redirect('/account/general');
   }
 
+  @Throttle(3, 60)
   @Post('avatar')
   @UseInterceptors(FileInterceptor('file'))
   async uploadAvatarFile(