#VU126407 Improper access control in Vault and Vault Enterprise - CVE-2026-3605

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Main Vulnerability Database Vulnerabilities #VU126407

#VU126407 Improper access control in Vault and Vault Enterprise - CVE-2026-3605

Published: April 17, 2026


Vulnerability identifier: #VU126407
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-3605
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Vault
Vault Enterprise
Software vendor:
HashiCorp

Description

The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to improper access control in the kvv2 metadata and secret deletion handling when accessing a kvv2 path through a policy containing a glob. A remote user can delete secrets they are not authorized to read or write to cause a denial of service.

The issue does not allow deletion across namespaces, and read access to secret data is not possible.


Remediation

Install security update from vendor's website.

External links