{"schemaVersion":3,"id":"CVE-2026-55669","aliases":["GHSA-g5h5-m4hm-xjrr","GO-2026-5391"],"status":"published","duplicateOf":null,"title":null,"description":"ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Identity Provider validates a token's signature and issuer (iss) but not the audience (aud) claim, allowing a validly signed token from a trusted issuer for another relying party to be accepted by ZITADEL. 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