CVE-2025-11621

8.1 HIGH

Published: October 23, 2025 Modified: December 29, 2025

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, 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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://discuss.hashicorp.com/t/hcsec-2025-30-vault-aws-auth-method-authentication-bypass-through-mishandling-of-cache-entries/76709

Source: security@hashicorp.com

Vendor Advisory

1 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.1 / 10.0

EPSS (Exploit Probability)

0.1%

33th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-288

Affected Vendors

hashicorp

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