CVE-2026-126309

HIGH 7.1

OpenBao before 2.6.5 and 2.7.2 Path Traversal in Transit Key Import

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-73
Vendor	openbao
Product	openbao
Published	Nov 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

Affected Versions

openbao / openbao

0 < 2.6.5 2.7.0 < 2.7.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openbao/openbao/security/advisories/GHSA-5pmx-2p74-x478 vulncheck.com: https://www.vulncheck.com/advisories/openbao-before-2.6.5-and-2.7.2-path-traversal-in-transit-key-import

Credits

🔍 MarcIlunga cipherboy