# CVE-2025-3879: Vault’s Azure Authentication Method bound_location Restriction Could be Bypassed on Login

> CVE-2025-3879: Vault’s Azure Authentication Method bound_location Restriction Could be Bypassed on Login. CVSS 6.6 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2025-3879
Last updated: 2026-06-17T09:20:51Z

- Published: 2025-05-02 16:15 UTC · Updated: 2026-06-17 09:20 UTC · Assigner: HashiCorp
- CVSS: 6.6 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS: 0.44%, 38th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: 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 vendors and products

- HashiCorp: Vault
- HashiCorp: Vault Enterprise

## Tracked companies

- [HashiCorp](https://rewindex.com/company/hashicorp.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-3879)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-3879)
- [https://discuss.hashicorp.com/t/hcsec-2025-07-vault-s-azure-authentication-method-bound-location-restriction-could-be-bypassed-on-login/74716](https://discuss.hashicorp.com/t/hcsec-2025-07-vault-s-azure-authentication-method-bound-location-restriction-could-be-bypassed-on-login/74716)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-3879 · Markdown: https://rewindex.com/cve/CVE-2025-3879.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-3879 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:00:30.989Z