CVE-2026-55672
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation)
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/zitadel/zitadel | <1.80.0-v2.20.0.20260616131956-0973b074b488 | 1.80.0-v2.20.0.20260616131956-0973b074b488 |
References
- https://github.com/zitadel/zitadel/security/advisories/GHSA-xqxv-4jc2-x56x
- https://github.com/zitadel/zitadel/commit/0973b074b48816757c47fe732b06d2488d3d284c
- https://github.com/zitadel/zitadel
- https://github.com/zitadel/zitadel/releases/tag/v3.4.12
- https://github.com/zitadel/zitadel/releases/tag/v4.15.2
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.