CVE-2025-11621

HIGH8.1EPSS 0.08%

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

Published: 10/23/2025Modified: 2/4/2026

Also known as:GHSA-9g4h-h484-3578BIT-vault-2025-11621CGA-8xpx-7jcp-w2jqGO-2025-4070

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 packages (3)

Bitnami/vault>= 0.6.0, < 1.21.0
Go/github.com/hashicorp/vault>= 0.6.0, < 1.21.0
Go/github.com/hashicorp/vault>= 0.6.0, < 1.21.0

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References (5)

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