Vulnerability Report

CVE-2025-11621

Title: Hashicorp Vault Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2025-11621.

CWE Category CWE-288

Published Date Oct 23, 2025

Modified Date Dec 29, 2025

Exploit Status Not Found

Score 8.1 CVSS v3.1

Exploit Probability (EPSS)

0.08%

Vulnerability Summary

CVE-2025-11621: 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

Impacted Vendors

tibco 1

hashicorp 1

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity HIGH

8.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-11621 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

December 29, 2025 MODIFIED

Vulnerability data or affected products updated.

December 29, 2025 MODIFIED

Vulnerability data updated via NVD.

October 23, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.