EUVD-2026-39567

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to...

EUVD-2025-210341

Flowise before 3.0.10 affected versions 3.0.7 and earlier fails to invalidate existing sessions and session tokens after a user changes their password. An attacker who already holds an active session, for example via a stolen session token or a device left logged in, remains authenticated as the...

CVE-2025-71335

Flowise prior to version 3.0.10 is affected. Versions 3.0.7 and earlier do not invalidate existing sessions or session tokens after a user changes their password, allowing an attacker with an active session (e.g., via a stolen token or an already-logged-in device) to remain authenticated post-pas...

CVE-2026-11800

CVE-2026-11800 concerns Keycloak services and describes a JWT algorithm confusion vulnerability in the JWT Authorization Grant flow. The issue allows an attacker with valid client credentials to bypass signature verification by forging an assertion, enabling creation of unauthorized access tokens...

CVE-2026-11800

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to...

EUVD-2026-39561

Two data sources DICOMWebProxy and DICOMJSON shipped in the default configuration fetch an arbitrary URL parameter without validation. A global authentication service in OHIF automatically injects the authenticated user's OIDC Bearer token into the resulting requests, sending it to the...

CVE-2026-12473

OHIF Viewers are affected: two default-configured data sources, DICOMWebProxy and DICOMJSON, fetch an arbitrary URL parameter without validation. A global authentication service in OHIF automatically injects the user's OIDC Bearer token into those requests and transmits it to an attacker-controll...

CVE-2026-56767

Maxun before 0.0.42 contains a cross-tenant insecure direct object reference vulnerability in storage and webhook API handlers that allows authenticated users to access other users' robots and OAuth tokens. Attackers can read plaintext Google and Airtable access tokens, modify, delete, or execute...

CVE-2026-56768

Seahub before 13.0.23 does not enforce SHARELINKLOGINREQUIRED on GET /api/v2.1/share-link-zip-task/, allowing unauthenticated users to bypass authentication. Attackers with a folder share-link token can call the GET endpoint to obtain a fileserver zip token and download entire shared directory...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.6.4 Security Update

New Red Hat build of Keycloak 26.6.4 packages are available from the Customer Portal Red Hat build of Keycloak 26.6.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security fixes...

keycloak: Keycloak: Attacker can re-enable and take over disabled clients via Registration Access Token

A flaw was found in Keycloak's client registration service. A remote attacker, possessing a previously issued Registration Access Token RAT, could exploit this vulnerability to re-enable a client that an administrator had explicitly disabled. This bypasses security controls, allowing the attacker...

EUVD-2026-39520

Seahub before 13.0.23 does not enforce SHARELINKLOGINREQUIRED on GET /api/v2.1/share-link-zip-task/, allowing unauthenticated users to bypass authentication. Attackers with a folder share-link token can call the GET endpoint to obtain a fileserver zip token and download entire shared directory...

CVE-2026-56768

Vulnerability summary (CVE-2026-56768) Seahub versions before 13.0.23 fail to enforce SHARE_LINK_LOGIN_REQUIRED on GET /api/v2.1/share-link-zip-task/, allowing unauthenticated access when a folder share-link token is present. An attacker can call the GET endpoint to obtain a fileserver zip token ...

CVE-2026-9705

A flaw was found in Keycloak's client registration service. A remote attacker, possessing a previously issued Registration Access Token RAT, could exploit this vulnerability to re-enable a client that an administrator had explicitly disabled. This bypasses security controls, allowing the attacker...

CVE-2026-54040

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

CVE-2026-54030

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.5, LibreChat's MCP OAuth implementation does not validate that the resource parameter from OAuth Protected Resource metadata RFC 9728 matches the configured MCP server URL, allowing a malicious MCP server to...

EUVD-2026-39474

A flaw was found in Keycloak's client registration service. A remote attacker, possessing a previously issued Registration Access Token RAT, could exploit this vulnerability to re-enable a client that an administrator had explicitly disabled. This bypasses security controls, allowing the attacker...

CVE-2026-9705 Keycloak: keycloak: attacker can re-enable and take over disabled clients via registration access token

A flaw was found in Keycloak's client registration service. A remote attacker, possessing a previously issued Registration Access Token RAT, could exploit this vulnerability to re-enable a client that an administrator had explicitly disabled. This bypasses security controls, allowing the attacker...

CVE-2026-9705

A flaw was found in Keycloak's client registration service. A remote attacker, possessing a previously issued Registration Access Token RAT, could exploit this vulnerability to re-enable a client that an administrator had explicitly disabled. This bypasses security controls, allowing the attacker...

CVE-2026-9705

Affected software & component: Keycloak – client registration service. Vulnerability: An attacker with a previously issued Registration Access Token (RAT) can re-enable a client that an administrator had disabled. This bypasses security controls and allows the attacker to reset the client’s secre...