{"id":"CVE-2025-3879","aliases":["BIT-vault-2025-3879","GHSA-f9ch-h8j7-8jwg","GO-2025-3662"],"url":"https://o3.security/vulnerability/CVE-2025-3879","summary":"Vault’s Azure Authentication Method bound_location Restriction Could be Bypassed on Login","details":"Vault Community, Vault Enterprise (“Vault”) Azure Auth method did not correctly validate the claims in the Azure-issued token, resulting in the potential bypass of the bound_locations parameter on login. Fixed in Vault Community Edition 1.19.1 and Vault Enterprise 1.19.1, 1.18.7, 1.17.14, 1.16.18.","published":"2025-05-02T16:15:10.650Z","modified":"2026-08-12T03:51:48.049772551Z","cvss":{"score":6.6,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.0042,"percentile":0.34715,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hashicorp/vault","fixedVersion":"1.19.1"}],"fix":null,"references":[{"type":"WEB","url":"https://discuss.hashicorp.com/t/hcsec-2025-07-vault-s-azure-authentication-method-bound-location-restriction-could-be-bypassed-on-login/74716"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/3xxx/CVE-2025-3879.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3879"},{"type":"PACKAGE","url":"https://github.com/hashicorp/vault"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2025-3662"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:48.049772551Z"}}