Auth bypass in Hashicorp Vault
CVE-2025-3879
Vault Community, Vault Enterprise (“Vault”) Azure Auth method did not correctly validate the claims in the Azure-issued token, resulting in the potential bypass of the bound_locations parameter on login. Fixed in Vault Community Edition 1…
Vulnerability class: Broken Access Control
EPSS: 0.002 (45.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Hashicorp Vault — versions 0.10.0
- Hashicorp Vault Enterprise — versions 0.10.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-3879?
- CVE-2025-3879 is a medium-severity vulnerability in Hashicorp Vault, classified under Incorrect Authorization. CVSS score: 6.6/10. Published 2025-05-02.
- How severe is CVE-2025-3879?
- Medium severity. CVSS v3 base score is 6.6 out of 10.