CVE-2026-77130 Insufficient Session Expiration in extension "SYSSY - TYPO3 Monitoring & Security Checks" (syssy)

The extension fails to properly validate the expiration of a client-supplied JWT token, allowing an attacker in control of a valid API key to authenticate with an expired token. Exploitation requires the attacker to already be in control of the SYSSY project's API key...

EUVD-2026-57815

File Browser versions from 2.50.0 through 2.63.21 fail to validate JWT expiration when proxy authentication is configured with a non-default logout page. Attackers with a previously valid token can access protected routes and administrative endpoints indefinitely, and exchange expired tokens for...

JWT Expiration Bypass

ZITADEL is vulnerable to JWT expiration bypass. The vulnerability is due to the external JWT Identity Provider validation skipping expiration handling when an incoming token omits the exp claim, where a token from a trusted issuer can be treated as valid without an automatic expiration window, an...

Vulnerabilities fixed in Keycloak

Red Hat has fixed vulnerabilities in Keycloak. The vulnerabilities include an issue where JWT tokens with long expiration times can cause infinite growth in the cache, resulting in an OutOfMemoryError and a Denial-of-Service for legitimate users. In addition, verification of trust store...