CVE-2026-5051: Hashicorp Vault

Medium severity, CVSS 4.4. EPSS: 0.4% chance of exploitation in the next 30 days.

HashiCorp Vault and Vault Enterprise prior to 2.0.1 audit device validation logic did not consistently apply plugin directory protections when the legacy file audit path option was used. This vulnerability (CVE-2026-5051) is fixed in 2.0.1, 1.21.6, 1.20.11, and 1.19.17.

Affected products

• Hashicorp Vault: from 1.20.1, before 2.0.1 (fixed in 2.0.1)
• Hashicorp Vault Enterprise: from 1.19.0, before 2.0.1 (fixed in 2.0.1)

Published 2026-07-01. Last modified 2026-07-02.