CVE-2026-55672
ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation) in github.com/zitadel/zitadel
7.4
HIGH
CVSS 3.1
EPSS 0.28%
Description
ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation) in github.com/zitadel/zitadel
How to fix CVE-2026-55672
To remediate CVE-2026-55672, upgrade the affected package to a fixed version below.
- —upgrade to 1.80.0-v2.20.0.20260616131956-0973b074b488 or later
Is CVE-2026-55672 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.80.0-v2.20.0.20260616131956-0973b074b488
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |