HashiCorp Vault and Vault Enterprise's AWS Auth method may be susceptible to authentication bypass
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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-11621US | —OT elevated | — | ||
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… | ||||
02
references
External citations — patches, advisories, analysis.
- https://discuss.hashicorp.com/t/hcsec-2025-30-vault-aws-auth-method-authentication-bypass-through-mishandling-of-cache-entries/76709WEB
- https://github.com/hashicorp/vaultPACKAGE
- https://github.com/hashicorp/vault/commit/8d07273d14ae7f5a48cc96f66cc86615dea83390WEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-11621ADVISORY
scry
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