KiCad Plugin Directory Traversal Remote Code Execution Vulnerability

November 13th, 2026
ZDI-26-958 ZDI-CAN-33085

CVE ID

CVE-2026-126972

CVSS Score

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

Affected Vendors

KiCad

Affected Products

KiCad

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of KiCad. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the handling of plugin packages. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute arbitrary code in the context of the current user.

Additional Details

KiCad has issued an update to correct this vulnerability. More details can be found at:
https://gitlab.com/kicad/code/kicad/-/commit/e60c1fc0838339200742cc1ac9fcc1302cbedec5

Disclosure Timeline

  • 2026-08-12 - Vulnerability reported to vendor
  • 2026-11-13 - Coordinated public release of advisory
  • 2026-11-13 - Advisory Updated

Credit

Mat Powell of TrendAI Zero Day Initiative

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