CVE-2026-5051 Audit Log Plugin Directory Guard Bypass via Legacy path Option
Attackers can bypass audit log plugin directory protections using the legacy file audit path option, potentially circumventing security controls.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-5051?
CVE-2026-5051 is a medium-severity path traversal vulnerability in HashiCorp Vault, published on 1 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-5051?
1 open source package ship an affected version, including vault.
| Package | Affected | Fixed in |
|---|---|---|
vault Bitnami | From 1.19.0 | 1.19.17, 1.20.11, 1.21.6, 2.0.1 |
How do I fix CVE-2026-5051?
Upgrade vault to a fixed version for your release line: 1.19.17, 1.20.11, 1.21.6 or 2.0.1.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-5051 being exploited?
There is no known exploitation of CVE-2026-5051 in the wild and no public exploit code.
Sources
Also known as BIT-vault-2026-5051, GHSA-rx9v-2fjr-mhx5, MINI-hp79-92qg-7w3q.