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CVE-2026-55669

ZITADEL: Missing Token Audience Validation (`aud`) in JWT IdP Provider PUBLISHED

Description (CNA)

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. This issue is fixed in versions 3.4.12 and 4.15.2.

Affected (CNA)

Vendor / productVersions
zitadel / zitadelaffected >= 4.0.0-rc.1, < 4.15.2; affected < 3.4.12

CWE

CWE-346

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.