Medium 4.4Published Jul 1, 2026

CVE-2026-5051Audit Log Plugin Directory Guard Bypass via Legacy path Option

Updated under an hour ago (Oct 27, 2026, 3:50 PM ET)

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It affects HashiCorp Vault and 1 other product. Add what you run to find out whether that includes you.

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Every CVE for HashiCorp Vault

Exploited in the last 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.

CVSS: 4.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: HashiCorp
NVD analysis: Deferred
Record last updated: Jul 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

HashiCorp Vault hashicorp:vault (from the name)	from 1.20.1 before 2.0.1; fixed at 1.20.11, fixed at 1.21.6, fixed at 2.0.1	CNA record
HashiCorp Vault Enterprise hashicorp:vault_enterprise (from the name)	from 1.19.0 before 2.0.1; fixed at 1.19.17, fixed at 1.20.11, fixed at 1.21.6, fixed at 2.0.1	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.