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, CVE-2025-11621, 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
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://discuss.hashicorp.com/t/hcsec-2025-30-vault-aws-auth-method-authentication-bypass-through-mishandling-of-cache-entries/76709 Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 8.1 · hashicorpNVD modified 2026-10-18 21:10
Affected (CPE criteria) 2
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*