VulnerabilityDeferred

CVE-2026-5051

This vulnerability (CVE-2026-5051) is fixed in 2.0.1, 1.21.6, 1.20.11, and 1.19.17.

MEDIUM 4.4EPSS 0.38%

Does this matter?

Lower severity and a low EPSS score (0.38%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.1: 4.4 MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.38% probability · 32th percentile
CISA KEV: Not listed
Weakness: CWE-22
Source: security@hashicorp.com

References

https://discuss.hashicorp.com/t/hcsec-2026-16-vault-audit-device-plugin-directory-guard-bypass-via-legacy-path-option/77536

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.