What is GHSA-9g4h-h484-3578?

GHSA-9g4h-h484-3578 is a security advisory published by GitHub Security Advisories with High severity. HashiCorp Vault and Vault Enterprise's AWS Auth method may be susceptible to authentication bypass

Which CVE IDs does GHSA-9g4h-h484-3578 cover?

GHSA-9g4h-h484-3578 covers the following CVE IDs: CVE-2025-11621. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9g4h-h484-3578?

GHSA-9g4h-h484-3578 has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

Which products are affected by GHSA-9g4h-h484-3578?

GHSA-9g4h-h484-3578 affects 1 product, including: go/github.com/hashicorp/vault:\u003e= 0.6.0, \u003c 1.21.0.

GHSA-9g4h-h484-3578HighCVSS 8.1

HashiCorp Vault and Vault Enterprise's AWS Auth method may be susceptible to authentication bypass

Vendor

GitHub Security Advisories

Published

October 23, 2025

Last Modified

October 23, 2025

🔗 CVE IDs covered (1)

CVE-2025-11621 →

📋 Description

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.

🎯 Affected products1

go/github.com/hashicorp/vault:>= 0.6.0, < 1.21.0

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-11621
https://discuss.hashicorp.com/t/hcsec-2025-30-vault-aws-auth-method-authentication-bypass-through-mishandling-of-cache-entries/76709
https://github.com/hashicorp/vault/commit/8d07273d14ae7f5a48cc96f66cc86615dea83390
https://github.com/advisories/GHSA-9g4h-h484-3578