medium6.8
CVE-2025-6037
Hashicorp Vault has Incorrect Validation for Non-CA Certificates
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/hashicorp/vault | < 1.20.1 | 1.20.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Hashicorp | Vault | before 1.16.23 before 1.20.1 from 1.17.0 before 1.18.12 from 1.19.0 before 1.19.7 Version 1.20.0 |