Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2026-115365 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

OpenBao from 2.3.0 before 2.6.3 contains an incorrect authorization vulnerability in its ACL policy cache that allows tokens to reference policies from arbitrary namespaces using specially crafted policy names. Attackers holding such tokens can gain capabilities of cached policies in other namespaces, including the root namespace, to act across namespace boundaries.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:6.8 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

CNA: [email protected]CVSS-B:6.6 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://github.com/openbao/openbao/security/advisories/GHSA-mjch-vcw3-hhmf	[email protected]	AdvisoryRemedyVendor
https://www.vulncheck.com/advisories/openbao-2.3.0-before-2.6.3-incorrect-authorization-via-policy-cache-namespace-traversal	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-863	Incorrect Authorization	[email protected]

Affected Products

Product	Versions
OpenBao	>= 2.3.0, < 2.6.3 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 2.6.3moderate effort Upgrade: 2.7.0moderate effort Workaround:moderate effort Set `disable_cache = true` in the server configuration to disable most caching, including the ACL policy cache. Note that this will significantly impact performance.

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 4, 2026	CVE Modified	CISA-ADP
Oct 22, 2026	New CVE Received	[email protected]