CVE-2026-119333

draw.io Desktop is the official Electron build of draw.io. Prior to 31.5.2, the Windows application launched powershell and attrib by bare executable name from src/main/electron.js. When draw.io Desktop was not already running, opening a diagram from File Explorer made the diagram directory the current working directory, allowing a colocated attacker-controlled powershell.bat or attrib.exe to be resolved before the intended system executable. A victim who extracted an attacker-supplied archive and cold-opened its legitimate .drawio file could therefore execute attacker-controlled code when Local Fonts were enabled or when draft or backup attributes were updated. This issue is fixed in version 31.5.2.

• CWE-426

• https://github.com/jgraph/drawio-desktop/commit/3fed7ecfa6871d952d9946508ec85739796a59b2
• https://github.com/jgraph/drawio-desktop/releases/tag/v31.5.2
• https://github.com/jgraph/drawio-desktop/security/advisories/GHSA-qg46-52fx-h7p8

Published

Oct 30, 2026

Last Modified

Oct 30, 2026

Status

Received

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