Medium severity · published Jul 1, 2026
CVE-2026-5051
Audit Log Plugin Directory Guard Bypass via Legacy path Option
4.4
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VA
Vault · HashiCorp
1.20.1 before 2.0.1 · source: vendor
VE
Vault Enterprise · HashiCorp
1.19.0 before 2.0.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5051
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5051
discuss.hashicorp.com
https://discuss.hashicorp.com/t/hcsec-2026-16-vault-audit-device-plugin-directory-guard-bypass-via-legacy-path-option/77536
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