diff --git a/backend/UniVerse.Api.Tests/Auth/AuthServiceTests.cs b/backend/UniVerse.Api.Tests/Auth/AuthServiceTests.cs
new file mode 100644
index 0000000..b62a111
--- /dev/null
+++ b/backend/UniVerse.Api.Tests/Auth/AuthServiceTests.cs
@@ -0,0 +1,93 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging.Abstractions;
+using NSubstitute;
+using UniVerse.Application.DTOs.Notifications;
+using UniVerse.Application.Interfaces;
+using UniVerse.Domain.Entities;
+using UniVerse.Domain.Enums;
+using UniVerse.Domain.Exceptions;
+using UniVerse.Infrastructure.Data;
+using UniVerse.Infrastructure.Services;
+using Xunit;
+
+namespace UniVerse.Api.Tests.Auth;
+
+public class AuthServiceTests
+{
+    [Fact]
+    public async Task RefreshTokenAsync_InactiveUser_RevokesTokenAndThrowsForbidden()
+    {
+        await using var db = CreateDbContext();
+        db.Users.Add(new User
+        {
+            Id = 1,
+            Email = "blocked@test.local",
+            IsActive = false,
+            Roles = [new UserRoleAssignment { UserId = 1, Role = UserRole.Student }]
+        });
+        db.RefreshTokens.Add(new RefreshToken
+        {
+            Id = 1,
+            UserId = 1,
+            Token = "refresh-token",
+            ExpiresAt = DateTime.UtcNow.AddDays(1),
+            CreatedAt = DateTime.UtcNow
+        });
+        await db.SaveChangesAsync();
+        var service = CreateService(db);
+
+        await Assert.ThrowsAsync<ForbiddenException>(() => service.RefreshTokenAsync("refresh-token"));
+
+        var token = await db.RefreshTokens.SingleAsync(t => t.Token == "refresh-token");
+        Assert.NotNull(token.RevokedAt);
+    }
+
+    [Fact]
+    public async Task GetCurrentUserAsync_InactiveUser_ThrowsForbidden()
+    {
+        await using var db = CreateDbContext();
+        db.Users.Add(new User
+        {
+            Id = 1,
+            Email = "blocked@test.local",
+            IsActive = false,
+            Roles = [new UserRoleAssignment { UserId = 1, Role = UserRole.Student }]
+        });
+        await db.SaveChangesAsync();
+        var service = CreateService(db);
+
+        await Assert.ThrowsAsync<ForbiddenException>(() => service.GetCurrentUserAsync(1));
+    }
+
+    private static AppDbContext CreateDbContext()
+    {
+        var options = new DbContextOptionsBuilder<AppDbContext>()
+            .UseInMemoryDatabase($"AuthServiceTests_{Guid.NewGuid()}")
+            .Options;
+        return new AppDbContext(options);
+    }
+
+    private static AuthService CreateService(AppDbContext db)
+    {
+        var config = new ConfigurationBuilder()
+            .AddInMemoryCollection(new Dictionary<string, string?>
+            {
+                ["Jwt:Secret"] = "test-secret-test-secret-test-secret-test-secret",
+                ["Jwt:Issuer"] = "UniVerse.Tests",
+                ["Jwt:Audience"] = "UniVerse.Tests",
+                ["Jwt:AccessTokenExpirationMinutes"] = "15",
+                ["Jwt:RefreshTokenExpirationDays"] = "30"
+            })
+            .Build();
+
+        var gamification = Substitute.For<IGamificationService>();
+        gamification.CalculateLevelAsync(Arg.Any<int>()).Returns(1);
+
+        var notifications = Substitute.For<INotificationService>();
+        notifications.SendAsync(Arg.Any<NotificationMessage>(), Arg.Any<CancellationToken>())
+            .Returns(Task.CompletedTask);
+
+        return new AuthService(db, config, gamification, notifications, NullLogger<AuthService>.Instance);
+    }
+}
diff --git a/backend/UniVerse.Api.Tests/Helpers/ApiWebApplicationFactory.cs b/backend/UniVerse.Api.Tests/Helpers/ApiWebApplicationFactory.cs
index 1a19e1c..13cf403 100644
--- a/backend/UniVerse.Api.Tests/Helpers/ApiWebApplicationFactory.cs
+++ b/backend/UniVerse.Api.Tests/Helpers/ApiWebApplicationFactory.cs
@@ -123,7 +123,7 @@ public class ApiWebApplicationFactory : WebApplicationFactory<Program>
             .Returns(authResult);
         stub.RefreshTokenAsync(Arg.Any<string>()).Returns(authResult);
         stub.GetCurrentUserAsync(Arg.Any<int>())
-            .Returns(new UserDto(1, "test@test.com", "Test", null, [UserRole.Student], true, 0, 0, 1, DateTime.UtcNow));
+            .Returns(new CurrentUserDto(1, "test@test.com", "Test", null, [UserRole.Student], 0, 0, 1, DateTime.UtcNow));
         return stub;
     }
 
diff --git a/backend/UniVerse.Api/Controllers/AuthController.cs b/backend/UniVerse.Api/Controllers/AuthController.cs
index db9d462..e59b4d5 100644
--- a/backend/UniVerse.Api/Controllers/AuthController.cs
+++ b/backend/UniVerse.Api/Controllers/AuthController.cs
@@ -198,9 +198,11 @@ public class AuthController : ControllerBase
     /// </remarks>
     /// <response code="200">Новая пара токенов.</response>
     /// <response code="401">Refresh token отсутствует, просрочен или отозван.</response>
+    /// <response code="403">Аккаунт деактивирован или refresh token недействителен.</response>
     [HttpPost("refresh")]
     [ProducesResponseType(typeof(AuthResponse), StatusCodes.Status200OK)]
     [ProducesResponseType(StatusCodes.Status401Unauthorized)]
+    [ProducesResponseType(StatusCodes.Status403Forbidden)]
     public async Task<ActionResult<AuthResponse>> Refresh()
     {
         var refreshToken = Request.Cookies["refreshToken"];
@@ -236,8 +238,9 @@ public class AuthController : ControllerBase
     /// <response code="404">Пользователь не найден в БД (рассинхронизация токена).</response>
     [Authorize]
     [HttpGet("me")]
-    [ProducesResponseType(typeof(UniVerse.Application.DTOs.Users.UserDto), StatusCodes.Status200OK)]
+    [ProducesResponseType(typeof(UniVerse.Application.DTOs.Users.CurrentUserDto), StatusCodes.Status200OK)]
     [ProducesResponseType(StatusCodes.Status401Unauthorized)]
+    [ProducesResponseType(StatusCodes.Status403Forbidden)]
     [ProducesResponseType(StatusCodes.Status404NotFound)]
     public async Task<ActionResult> Me()
     {
diff --git a/backend/UniVerse.Api/openapi.json b/backend/UniVerse.Api/openapi.json
index d9c8332..5d77df6 100644
--- a/backend/UniVerse.Api/openapi.json
+++ b/backend/UniVerse.Api/openapi.json
@@ -547,6 +547,16 @@
                 }
               }
             }
+          },
+          "403": {
+            "description": "Аккаунт деактивирован или refresh token недействителен.",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ProblemDetails"
+                }
+              }
+            }
           }
         }
       }
@@ -593,7 +603,7 @@
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/UserDto"
+                  "$ref": "#/components/schemas/CurrentUserDto"
                 }
               }
             }
@@ -608,6 +618,16 @@
               }
             }
           },
+          "403": {
+            "description": "Forbidden",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ProblemDetails"
+                }
+              }
+            }
+          },
           "404": {
             "description": "Пользователь не найден в БД (рассинхронизация токена).",
             "content": {
@@ -4563,6 +4583,51 @@
         },
         "additionalProperties": false
       },
+      "CurrentUserDto": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "integer",
+            "format": "int32"
+          },
+          "email": {
+            "type": "string",
+            "nullable": true
+          },
+          "displayName": {
+            "type": "string",
+            "nullable": true
+          },
+          "avatarUrl": {
+            "type": "string",
+            "nullable": true
+          },
+          "roles": {
+            "type": "array",
+            "items": {
+              "$ref": "#/components/schemas/UserRole"
+            },
+            "nullable": true
+          },
+          "xp": {
+            "type": "integer",
+            "format": "int32"
+          },
+          "coins": {
+            "type": "integer",
+            "format": "int32"
+          },
+          "level": {
+            "type": "integer",
+            "format": "int32"
+          },
+          "createdAt": {
+            "type": "string",
+            "format": "date-time"
+          }
+        },
+        "additionalProperties": false
+      },
       "DevLoginRequest": {
         "type": "object",
         "properties": {
diff --git a/backend/UniVerse.Application/DTOs/Users/UserDtos.cs b/backend/UniVerse.Application/DTOs/Users/UserDtos.cs
index 9628d92..2c89f2d 100644
--- a/backend/UniVerse.Application/DTOs/Users/UserDtos.cs
+++ b/backend/UniVerse.Application/DTOs/Users/UserDtos.cs
@@ -15,6 +15,18 @@ public record UserDto(
     DateTime CreatedAt
 );
 
+public record CurrentUserDto(
+    int Id,
+    string Email,
+    string? DisplayName,
+    string? AvatarUrl,
+    IReadOnlyList<UserRole> Roles,
+    int Xp,
+    int Coins,
+    int Level,
+    DateTime CreatedAt
+);
+
 public record UserStatsDto(
     int TotalLectures,
     int AttendedLectures,
diff --git a/backend/UniVerse.Application/Interfaces/IAuthService.cs b/backend/UniVerse.Application/Interfaces/IAuthService.cs
index 75b49cc..4179803 100644
--- a/backend/UniVerse.Application/Interfaces/IAuthService.cs
+++ b/backend/UniVerse.Application/Interfaces/IAuthService.cs
@@ -9,5 +9,5 @@ public interface IAuthService
     Task<AuthResult> DevLoginAsync(string email, string? displayName, IReadOnlyCollection<Domain.Enums.UserRole> roles, string? ipAddress = null);
     Task<AuthResult> RefreshTokenAsync(string refreshToken);
     Task RevokeRefreshTokenAsync(string refreshToken);
-    Task<UserDto> GetCurrentUserAsync(int userId);
+    Task<CurrentUserDto> GetCurrentUserAsync(int userId);
 }
diff --git a/backend/UniVerse.Application/Mappings/MappingExtensions.cs b/backend/UniVerse.Application/Mappings/MappingExtensions.cs
index 6b5942e..01d4f2f 100644
--- a/backend/UniVerse.Application/Mappings/MappingExtensions.cs
+++ b/backend/UniVerse.Application/Mappings/MappingExtensions.cs
@@ -19,6 +19,11 @@ public static class MappingExtensions
         user.Roles.Select(r => r.Role).OrderBy(r => r).ToList(), user.IsActive, user.Xp, user.Coins, level, user.CreatedAt
     );
 
+    public static CurrentUserDto ToCurrentUserDto(this User user, int level) => new(
+        user.Id, user.Email, user.DisplayName, user.AvatarUrl,
+        user.Roles.Select(r => r.Role).OrderBy(r => r).ToList(), user.Xp, user.Coins, level, user.CreatedAt
+    );
+
     public static UserAuthDto ToAuthDto(this User user) => new(
         user.Id, user.Email, user.DisplayName, user.Roles.Select(r => r.Role).OrderBy(r => r).ToList()
     );
diff --git a/backend/UniVerse.Infrastructure/Services/AuthService.cs b/backend/UniVerse.Infrastructure/Services/AuthService.cs
index a48c5bb..3bf5595 100644
--- a/backend/UniVerse.Infrastructure/Services/AuthService.cs
+++ b/backend/UniVerse.Infrastructure/Services/AuthService.cs
@@ -186,6 +186,13 @@ public class AuthService : IAuthService
         if (token == null || !token.IsActive)
             throw new ForbiddenException("Неверный или просроченный токен обновления.");
 
+        if (!token.User.IsActive)
+        {
+            token.RevokedAt = DateTime.UtcNow;
+            await _db.SaveChangesAsync();
+            throw new ForbiddenException("Аккаунт деактивирован.");
+        }
+
         // Revoke old token
         token.RevokedAt = DateTime.UtcNow;
 
@@ -215,13 +222,16 @@ public class AuthService : IAuthService
         }
     }
 
-    public async Task<UserDto> GetCurrentUserAsync(int userId)
+    public async Task<CurrentUserDto> GetCurrentUserAsync(int userId)
     {
         var user = await _db.Users
             .Include(u => u.Roles)
             .FirstOrDefaultAsync(u => u.Id == userId)
             ?? throw new NotFoundException("User", userId);
-        return user.ToDto(await _gamification.CalculateLevelAsync(user.Xp));
+        if (!user.IsActive)
+            throw new ForbiddenException("Аккаунт деактивирован.");
+
+        return user.ToCurrentUserDto(await _gamification.CalculateLevelAsync(user.Xp));
     }
 
     private async Task TrySendLoginNotificationAsync(User user, string? ipAddress)
diff --git a/frontend/src/api/index.ts b/frontend/src/api/index.ts
index 68125ff..51fe591 100644
--- a/frontend/src/api/index.ts
+++ b/frontend/src/api/index.ts
@@ -16,6 +16,7 @@ import type {
   SyncStatusDto,
   TagDto,
   UserAchievementDto,
+  CurrentUserDto,
   UserDto,
   UserQuery,
   UserNotificationDto,
@@ -30,7 +31,7 @@ export const authApi = {
     }),
   refresh: () => apiRequest<AuthResponse>('/auth/refresh', { method: 'POST' }),
   logout: () => apiRequest<void>('/auth/logout', { method: 'POST' }),
-  me: () => apiRequest<UserDto>('/auth/me'),
+  me: () => apiRequest<CurrentUserDto>('/auth/me'),
 }
 
 export const lecturesApi = {
diff --git a/frontend/src/api/mappers.ts b/frontend/src/api/mappers.ts
index 7c54682..2f633f3 100644
--- a/frontend/src/api/mappers.ts
+++ b/frontend/src/api/mappers.ts
@@ -4,6 +4,7 @@ import type {
   CoinTransactionDto,
   LectureDto,
   ReviewDto,
+  CurrentUserDto,
   UserAuthDto,
   UserDto,
   UserStatsDto,
@@ -29,7 +30,7 @@ function getDefaultActiveRole(roles: UserRole[]): UserRole {
   return 'student'
 }
 
-export function mapApiUser(user: UserAuthDto | UserDto, stats?: UserStatsDto): User {
+export function mapApiUser(user: UserAuthDto | UserDto | CurrentUserDto, stats?: UserStatsDto): User {
   const roles = mapApiRoles(user.roles)
   return {
     id: String(user.id),
diff --git a/frontend/src/api/types.ts b/frontend/src/api/types.ts
index c3a2afc..20b5ec8 100644
--- a/frontend/src/api/types.ts
+++ b/frontend/src/api/types.ts
@@ -44,6 +44,14 @@ export interface UserDto extends UserAuthDto {
   createdAt: string
 }
 
+export interface CurrentUserDto extends UserAuthDto {
+  avatarUrl?: string | null
+  xp: number
+  coins: number
+  level: number
+  createdAt: string
+}
+
 export interface UserQuery {
   Search?: string
   Role?: ApiUserRole