CVE-2026-39388
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
OpenBao's Certificate Authentication Allows Token Renewal With Different Certificate
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/openbao/openbao | <0.0.0-20260420160924-abe84e1af4c3 | 0.0.0-20260420160924-abe84e1af4c3 |
References
- https://github.com/openbao/openbao/security/advisories/GHSA-7ccv-rp6m-rffr
- https://nvd.nist.gov/vuln/detail/CVE-2026-39388
- https://github.com/openbao/openbao/pull/2932
- https://github.com/openbao/openbao/commit/9ab7a066826cc544c30e8b203f8f472076f366e1
- https://github.com/openbao/openbao
- https://github.com/openbao/openbao/releases/tag/v2.5.3
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.