What’s Vulnerable › Vulnerabilities
CVE-2025-3879: Vault’s Azure Authentication Method bound_location Restriction Could be Bypassed on Login
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-05-02 · updated 2026-06-17
- Weakness: CWE-863
Description
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 1.19.1 and Vault Enterprise 1.19.1, 1.18.7, 1.17.14, 1.16.18.
Affected products
- HashiCorp Vault: from 0.10.0 before 1.16.18; from 0.10.0 before 1.19.1; from 1.17.0 before 1.17.14; from 1.18.0 before 1.18.7; 1.19.0 — fixed in 1.16.18, 1.17.14, 1.18.7, 1.19.1
How to fix
Upgrade to a fixed version: HashiCorp Vault 1.16.18, 1.17.14, 1.18.7, 1.19.1. Check the vendor advisory for mitigations.
References
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