CVE-2025-3879
Vault’s Azure Authentication Method bound_location Restriction Could be Bypassed on Login
6.6
MEDIUM
CVSS 3.1
EPSS 0.23%
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.
How to fix CVE-2025-3879
To remediate CVE-2025-3879, upgrade the affected package to a fixed version below.
- —upgrade to 1.19.1 or later
- —upgrade to 1.19.1 or later
- —upgrade to 1.19.1 or later
Is CVE-2025-3879 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- >= 0.10.0, < 1.19.1
- >= 1.10.0, < 1.19.1
- >= 1.10.0, < 1.19.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.6 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |