CVE-2025-11621

High

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

SeverityHigh
CVSS8.1
Exploit probability—
ProductHashicorp Vault
PublishedOct 23, 2025
First seenOct 23, 2025
Weakness typeCWE-288CWE-288

How to fix

Update
  • hashicorp vault1.16.27, 1.21.0, 1.19.11, 1.20.5 or later
  • github.com/hashicorp/vault1.21.0 or later

Affected products

ProductAffected versionsFixed in
hashicorp vault0.6.0 ≤ v < 1.16.27, 0.6.0 ≤ v < 1.21.0, 1.18.0 ≤ v ≤ 1.18.15, 1.19.0 ≤ v < 1.19.11, 1.20.0 ≤ v < 1.20.51.16.27, 1.21.0, 1.19.11, 1.20.5
github.com/hashicorp/vaultGo0.6.0 ≤ v < 1.21.01.21.0

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