{"id":"GHSA-9g4h-h484-3578","summary":"HashiCorp Vault and Vault Enterprise's AWS Auth method may be susceptible to authentication bypass","details":"Vault and Vault Enterprise's (\"Vault\") AWS Auth method may be susceptible to authentication bypass if the role of the configured bound_principal_iam is the same across AWS accounts, or uses a wildcard. This vulnerability is fixed in Vault Community Edition 1.21.0 and Vault Enterprise 1.21.0, 1.20.5, 1.19.11, and 1.16.27.","aliases":["BIT-vault-2025-11621","CVE-2025-11621","GO-2025-4070"],"modified":"2026-07-17T21:14:53.700993782Z","published":"2025-10-23T21:31:43Z","database_specific":{"github_reviewed_at":"2025-10-23T22:21:01Z","nvd_published_at":"2025-10-23T19:15:48Z","cwe_ids":["CWE-288"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-11621"},{"type":"WEB","url":"https://github.com/hashicorp/vault/commit/8d07273d14ae7f5a48cc96f66cc86615dea83390"},{"type":"WEB","url":"https://discuss.hashicorp.com/t/hcsec-2025-30-vault-aws-auth-method-authentication-bypass-through-mishandling-of-cache-entries/76709"},{"type":"PACKAGE","url":"https://github.com/hashicorp/vault"}],"affected":[{"package":{"name":"github.com/hashicorp/vault","ecosystem":"Go","purl":"pkg:golang/github.com/hashicorp/vault"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.6.0"},{"fixed":"1.21.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/10/GHSA-9g4h-h484-3578/GHSA-9g4h-h484-3578.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}]}