{"id":"BIT-openbao-2026-40264","summary":"OpenBao's Token Store Allows Cross-Namespace Renewal, Revocation","details":"OpenBao is an open source identity-based secrets management system. OpenBao's namespaces provide multi-tenant separation. Prior to version 2.5.3, a tenant who leaks token accessors can have their token revoked or renewed by a privileged administrator in another tenant. This is addressed in v2.5.3.","aliases":["CVE-2026-40264","GHSA-p49j-v9wc-wg57","GO-2026-5526"],"modified":"2026-09-08T08:48:16.755875978Z","published":"2026-07-27T05:49:09.844Z","database_specific":{"cpes":["cpe:2.3:a:openbao:openbao:*:*:*:*:*:go:*:*"],"severity":"Low"},"references":[{"type":"ADVISORY","url":"https://github.com/openbao/openbao/security/advisories/GHSA-p49j-v9wc-wg57"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40264"}],"affected":[{"package":{"name":"openbao","ecosystem":"Bitnami","purl":"pkg:bitnami/openbao"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.5.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/openbao/BIT-openbao-2026-40264.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:N/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"}]}],"schema_version":"1.9.0"}