CVE-2026-126309 json
OpenBao before 2.6.5 and 2.7.2 Path Traversal in Transit Key Import
published 18d ago modified 12h ago also EUVD-2026-125211 , GHSA-5pmx-2p74-x478
Unreviewed: the maintainers' own advisory
Published by the maintainers on their GitHub repository openbao/openbao. GitHub has not reviewed it into the GitHub Advisory Database, so the affected packages and versions are the maintainers' word. Read the full advisory on GitHub.
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- public exploits
- 0
- none known
Summary
OpenBao before 2.6.5 and 2.7.2 contains a path traversal vulnerability in Transit key import that allows authenticated attackers to bypass name restrictions in ACL policies. Attackers limited by a required_parameters name constraint can craft traversal sequences during import to write key material under arbitrary Transit key names.
Patch / fix
- openbao openbao 2.6.5, 2.7.2
Is CVE-2026-126309 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-13).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.6 | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L |
| CNA | 4.0 | 7.6 | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L |
Affected products
- openbao openbao
Classification
- Weakness
-
- CWE-73 External Control of File Name or Path
References
-
github.com
/openbao/openbao/security/advisories/GHSA-5pmx-2p74-x478
vendor-advisory, advisory
-
vulncheck.com
/advisories/openbao-before-2.6.5-and-2.7.2-path-traversal-in-transit-key-import
third-party-advisory
Sources
- CVE List CVE-2026-126309
- NVD CVE-2026-126309
- Maintainer advisory GHSA-5pmx-2p74-x478
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
The maintainers of openbao/openbao published their own advisory on GitHub. Reviewed sources take precedence over it.