KeePassXC OpenSSL Configuration Uncontrolled Search Path Element Local Privilege Escalation Vulnerability

March 16th, 2026
ZDI-26-215 ZDI-CAN-29156

CVE ID

CVE-2026-4158

CVSS Score

7.3 AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected Vendors

KeePassXC

Affected Products

KeePassXC

Vulnerability Details

This vulnerability allows local attackers to escalate privileges on affected installations of KeePassXC. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the configuration of OpenSSL. The product loads configuration from an unsecured location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of KeePassXC when run by a target user on the system.

Additional Details

KeePassXC has issued an update to correct this vulnerability. More details can be found at:
https://github.com/keepassxreboot/keepassxc/security/advisories/GHSA-4gr2-cr97-q9fx

Disclosure Timeline

  • 2026-03-03 - Vulnerability reported to vendor
  • 2026-03-16 - Coordinated public release of advisory
  • 2026-03-16 - Advisory Updated

Credit

Xavier DANEST

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