Auth bypass in Hashicorp Vault
CVE-2026-5006
A vulnerability was identified in HashiCorp Vault and Vault Enterprise (“Vault”) such that an authenticated attacker may manipulate an identity value referenced by a templated policy path to gain unintended access to Vault paths. An attacker who can control the referenced identity value may include slash ({{/}}) characters that Vault interprets as additional path segments when rendering the policy. This vulnerability, CVE-2026-5006, was fixed in Vault Community Edition 2.0.4 and Vault Enterprise 2.0.4, 1.21.9, 1.20.14, and 1.19.20.
Vulnerability class: IDOR (Insecure Direct Object Reference)
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-5006?
- CVE-2026-5006 is a medium-severity vulnerability in Hashicorp Vault, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.8/10. Published 2026-08-24.
- How severe is CVE-2026-5006?
- Medium severity. CVSS v3 base score is 6.8 out of 10.