MEDIUM 5.1 NVD
CVE-2026-109374
ZITADEL 3.0.0 before 4.19.2 contains a privilege escalation vulnerability in OIDC token exchange that allows end-user impersonators to impersonate administrator
ZITADEL 3.0.0 before 4.19.2 contains a privilege escalation vulnerability in OIDC token exchange that allows end-user impersonators to impersonate administrators including IAM_OWNER by bypassing the admin.impersonation check. Attackers holding IAM_END_USER_IMPERSONATOR or ORG_END_USER_IMPERSONATOR roles can sign in to relying applications as administrators with their roles and claims.
References
- https://github.com/zitadel/zitadel/security/advisories/GHSA-w4gv-rcwj-w6r5
- https://www.vulncheck.com/advisories/zitadel-3.0.0-before-4.19.2-privilege-escalation-via-
This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-10-12 via NVD.
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