ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange
High-risk advisory
CVE-2026-56668
Summary
ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange
Why it matters
GitHub has published a reviewed security advisory for github.com/zitadel/zitadel. Prioritize it with other application dependency updates, especially because EPSS places it in the 35% percentile.
Operator check
Check whether github.com/zitadel/zitadel is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.4%; percentile: 35%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.