CVE-2026-5051

MEDIUM 4.4

Audit Log Plugin Directory Guard Bypass via Legacy path Option

CVSS Score

4.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	hashicorp
Product	vault
Published	Jul 1, 2026
Last Updated	Jul 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

HashiCorp / Vault

1.20.1 < 2.0.1

HashiCorp / Vault Enterprise

1.19.0 < 2.0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

This issue was identified and reported by Vipin Chaudhary.