ZITADEL's truncated opaque tokens are still valid
ZITADEL is an open source identity management platform. Starting in version 2.31.0 and prior to versions 3.4.7 and 4.11.0, opaque OIDC access tokens in the v2 format truncated to 80 characters are still considered valid. Zitadel uses a symmetric AES encryption for opaque tokens. The cleartext payload is a concatenatio…
Severity medium: primary CNA CVSS 4.3 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-02-26T00:27:08.933Z. Updated 2026-02-26T17:00:29.815Z.