CVE-2026-42186 — HIGH (7.5)

Q: How severe is CVE-2026-42186?

CVE-2026-42186 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-42186?

Check the references section above for vendor advisories and patch information. Affected products include: Openbao Openbao.

Vulnerability Description

OpenBao is an open source identity-based secrets management system. Prior to 2.5.3, when OpenBao's initial namespace deletion fails, subsequent retries fail to properly remove all data before marking the namespace as deleted. This can affect any outstanding leases as well as potentially leaving unrelated storage entries around. This vulnerability is fixed in 2.5.3.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Openbao	Openbao	< 2.5.3

Related Weaknesses (CWE)

CWE-212

References

https://github.com/openbao/openbao/commit/6d2e0506e2b41be0eaa6643bf7b4efc9a2c094Patch
https://github.com/openbao/openbao/releases/tag/v2.5.3ProductRelease Notes
https://github.com/openbao/openbao/security/advisories/GHSA-vv66-6rp4-wr4fMitigationVendor Advisory

FAQ

What is CVE-2026-42186?

CVE-2026-42186 is a vulnerability with a CVSS score of 7.5 (HIGH). OpenBao is an open source identity-based secrets management system. Prior to 2.5.3, when OpenBao's initial namespace deletion fails, subsequent retries fail to properly remove all data before marking ...

How severe is CVE-2026-42186?

CVE-2026-42186 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-42186?

Check the references section above for vendor advisories and patch information. Affected products include: Openbao Openbao.