CVE-2025-6037 – Hashicorp Vault TLS Client Certificate Validation Bypass

CVE ID : CVE-2025-6037

Published : Aug. 1, 2025, 6:15 p.m. | 1 hour, 22 minutes ago

Description : Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as [+trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonate another user. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

Severity: 6.8 | MEDIUM

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