Vulnerability DatabaseCVE-2026-5051
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CVE-2026-5051
Published:July 01, 2026
Updated:July 21, 2026
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 Packages
github.com/hashicorp/vault (GO):
Affected version(s) >=v1.21.0 <v1.21.6
Fix Suggestion:
Update to version v1.21.6
github.com/hashicorp/vault (GO):
Affected version(s) >=v1.20.0 <v1.20.11
Fix Suggestion:
Update to version v1.20.11
github.com/hashicorp/vault (GO):
Affected version(s) >=v1.19.0 <v1.19.17
Fix Suggestion:
Update to version v1.19.17
github.com/hashicorp/vault (GO):
Affected version(s) =v2.0.0 <v2.0.1
Fix Suggestion:
Update to version v2.0.1
Related Resources (1)
https://discuss.hashicorp.com/t/hcsec-2026-16-vault-audit-device-plugin-directory-guard-bypass-via-legacy-path-option/77536
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CVSS v4
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.4
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-22
EPSS
Base Score:
0.28