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 1.19.1 and Vault Enterprise 1.19.1, 1.18.7, 1.17.14, 1.16.18.

Published: May 2, 2025
Updated: Aug 20, 2025
CVE: CVE-2025-3879
GHSA: GHSA-f9ch-h8j7-8jwg
Severity: Medium
Exploit:

CVSS v3:

Severity: Unknown
Score:
AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CWEs:

CWE-863

Affected Software
References

Software	From	Fixed in
github.com/hashicorp/vault	1.10.0	1.19.1
hashicorp / vault	0.10.0	1.19.1
hashicorp / vault	0.10.0	1.16.18
hashicorp / vault	1.17.0	1.17.14
hashicorp / vault	1.18.0	1.18.7
hashicorp / vault	1.19.0	1.19.0.x

https://discuss.hashicorp.com/t/hcsec-2025-07-vault-s-azure-authentication-method-bound-location-restriction-could-be-bypassed-on-login/74716
https://pkg.go.dev/vuln/GO-2025-3662

Vulnerability Database

CVE-2025-3879