CVE-2026-39388
OpenBao's Certificate Authentication Allows Token Renewal With Different Certificate in github.com/openbao/openbao
3.1
LOW
CVSS 3.1
EPSS 0.10%
Description
OpenBao's Certificate Authentication Allows Token Renewal With Different Certificate in github.com/openbao/openbao
How to fix CVE-2026-39388
To remediate CVE-2026-39388, upgrade the affected package to a fixed version below.
- Go/github.com/openbao/openbao—upgrade to 0.0.0-20260420160924-abe84e1af4c3 or later
- —upgrade to 0.0.0-20260420160924-abe84e1af4c3 or later
Is CVE-2026-39388 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.0.0-20260420160924-abe84e1af4c3
- from 0, < 0.0.0-20260420160924-abe84e1af4c3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | LOW3.1 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N |