{"id":"CVE-2026-115365","title":"OpenBao 2.3.0 before 2.6.3 Incorrect Authorization via Policy Cache Namespace Traversal","summary":"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 tok…","severity":"medium","cvss":6.6,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-863"],"vendor":"openbao","product":"openbao","affected":["openbao >= 2.3.0 < 2.6.3"],"published":"2026-10-22","updated":"2026-10-22","sourceUpdated":"2026-10-22T19:13:39.017Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115365","references":[{"url":"https://github.com/openbao/openbao/security/advisories/GHSA-mjch-vcw3-hhmf","label":"GitHub Security Advisory (GHSA-mjch-vcw3-hhmf)"},{"url":"https://www.vulncheck.com/advisories/openbao-2.3.0-before-2.6.3-incorrect-authorization-via-policy-cache-namespace-traversal","label":"VulnCheck Advisory: OpenBao 2.3.0 before 2.6.3 Incorrect Authorization via Policy Cache Namespace Traversal"}],"tags":["cve.org"],"ingestedAt":"2026-10-22T22:00:50.400Z","slug":"CVE-2026-115365","body":"## Overview\n\nOpenBao 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.\n\n## Affected\n\n- `openbao >= 2.3.0 < 2.6.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":36.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}