BIT-KEYCLOAK-2026-1609 Org.keycloak/keycloak-quarkus-server: keycloak: unauthorized access via jwt authorization grant with disabled users

A flaw was found in Keycloak. When the JSON Web Token JWT authorization grant preview feature is enabled and a user account is disabled, Keycloak fails to validate the user’s disabled status during JWT authorization grant processing. A remote attacker with low privileges can exploit this improper...

BIT-KEYCLOAK-2026-0871 Org.keycloak/keycloak-services: keycloak: unauthorized modification of unmanaged user attributes by administrators

A flaw was found in Keycloak. An administrator with manage-users permission can bypass the "Only administrators can view" setting for unmanaged attributes, allowing them to modify these attributes. This improper access control can lead to unauthorized changes to user profiles, even when the syste...

EUVD-2026-65441

Ech0 before 4.4.3 protects the PUT /user endpoint with the profile:read scope, a read-only scope, but allows write operations including password changes. An attacker with an admin's profile:read access token can change the admin's password and login to obtain an unrestricted session token that...

CVE-2026-79672 Ech0 before 4.4.3 Authentication Bypass via Comment Panel

Ech0 before 4.4.3 fails to enforce scope-based authorization on nine comment panel admin endpoints, allowing access tokens with minimal scopes to perform full comment moderation operations. Attackers with a limited-scope access token can list, approve, reject, delete comments, and modify comment...

CVE-2026-79672 Ech0 before 4.4.3 Authentication Bypass via Comment Panel

Ech0 before 4.4.3 fails to enforce scope-based authorization on nine comment panel admin endpoints, allowing access tokens with minimal scopes to perform full comment moderation operations. Attackers with a limited-scope access token can list, approve, reject, delete comments, and modify comment...

EUVD-2026-65442

Ech0 before 4.4.3 fails to enforce scope-based authorization on nine comment panel admin endpoints, allowing access tokens with minimal scopes to perform full comment moderation operations. Attackers with a limited-scope access token can list, approve, reject, delete comments, and modify comment...

CVE-2026-79672

Ech0 before version 4.4.3 fails to enforce scope-based authorization on nine comment panel admin endpoints. Attackers holding a limited-scope access token can bypass intended restrictions to perform full comment moderation operations, including listing, approving, rejecting, and deleting comments...

CVE-2026-79668

Ech0 versions before 4.7.3 contain an authentication bypass in the PUT /api/echo/like/:id endpoint. The endpoint lacks both identity verification and rate limiting, allowing unauthenticated attackers to repeatedly increment the fav_count field for any known echo identifier. This can arbitrarily i...

CVE-2026-79669 Ech0 before 4.4.3 Missing Authorization on System Logs

Ech0 before 4.4.3 lacks authorization checks on system log endpoints allowing any authenticated non-admin user to read and stream all server logs. Attackers can access historical logs and real-time log streams via GET /api/system/logs, GET /api/system/logs/stream, and WS /ws/system/logs to gather...

CVE-2026-79669 Ech0 before 4.4.3 Missing Authorization on System Logs

Ech0 before 4.4.3 lacks authorization checks on system log endpoints allowing any authenticated non-admin user to read and stream all server logs. Attackers can access historical logs and real-time log streams via GET /api/system/logs, GET /api/system/logs/stream, and WS /ws/system/logs to gather...

CVE-2026-79667 Ech0 before 4.4.3 Authentication Bypass via Scope Enforcement

Ech0 version 4.3.4 and earlier fails to reliably enforce scoped access token least-privilege restrictions on several privileged admin routes. Multiple privileged endpoints e.g., /api/inbox, /api/panel/comments, /api/backup/export omit scope checks and authorize based only on the user's admin role...

EUVD-2026-65447

Ech0 version 4.3.4 and earlier fails to reliably enforce scoped access token least-privilege restrictions on several privileged admin routes. Multiple privileged endpoints e.g., /api/inbox, /api/panel/comments, /api/backup/export omit scope checks and authorize based only on the user's admin role...

CVE-2026-79667 Ech0 before 4.4.3 Authentication Bypass via Scope Enforcement

Ech0 version 4.3.4 and earlier fails to reliably enforce scoped access token least-privilege restrictions on several privileged admin routes. Multiple privileged endpoints e.g., /api/inbox, /api/panel/comments, /api/backup/export omit scope checks and authorize based only on the user's admin role...

CVE-2026-79667

Ech0 versions 4.3.4 and earlier fail to enforce scoped access token (least-privilege) restrictions on several privileged admin routes. Endpoints such as /api/inbox, /api/panel/comments, and /api/backup/export authorize based only on the user's admin role, omitting scope checks. The backup export ...

CVE-2026-79665 Ech0 before 4.5.1 Authorization Bypass via Session Tokens

Ech0 before 4.5.1 contains an authorization bypass vulnerability where session tokens skip scope validation in RequireScopes middleware, allowing logged-in non-admin users to access admin endpoints. Attackers can read system logs, visitor statistics, user emails, and subscribe to live WebSocket...

EUVD-2026-65448

Ech0 before 4.4.3 fails to enforce administrator authorization on dashboard log endpoints, allowing any authenticated user to access system logs. Attackers with valid user sessions can query GET /api/system/logs and subscribe to SSE and WebSocket log streams to retrieve sensitive operational data...

CVE-2026-79664

Ech0 versions before 4.7.3 contain an access token revocation bypass. When tokens are created with the never-expire option, three independent revocation mechanisms all fail: the logout handler panics on a nil ExpiresAt field, RevokeToken skips when remainTTL is zero, and the admin delete action d...

EUVD-2026-65450

Ech0 before 4.7.3 fails to properly revoke access tokens created with never-expire option, allowing attackers to maintain perpetual authenticated access after token theft. Three independent revocation mechanisms fail: logout panics on nil ExpiresAt field, RevokeToken skips when remainTTL is zero,...

CVE-2026-79664 Ech0 before 4.7.3 Access Token Revocation Bypass

Ech0 before 4.7.3 fails to properly revoke access tokens created with never-expire option, allowing attackers to maintain perpetual authenticated access after token theft. Three independent revocation mechanisms fail: logout panics on nil ExpiresAt field, RevokeToken skips when remainTTL is zero,...

CVE-2026-79664 Ech0 before 4.7.3 Access Token Revocation Bypass

Ech0 before 4.7.3 fails to properly revoke access tokens created with never-expire option, allowing attackers to maintain perpetual authenticated access after token theft. Three independent revocation mechanisms fail: logout panics on nil ExpiresAt field, RevokeToken skips when remainTTL is zero,...