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CVE-2025-29509

Description

Jan v0.5.14 and before is vulnerable to remote code execution (RCE) when the user clicks on a rendered link in the conversation, due to opening external website in the app and the exposure of electronAPI, with a lack of filtering of URL when calling shell.openExternal().

POC

Reference

- https://drive.google.com/file/d/1qDztNtn2merSjYgPRLWFFXqlXM9tcrjD/view?usp=sharing

- https://gist.github.com/Suuuuuzy/b8fa2fa083793c460e3686c182f8c4d1

Github

No PoCs found on GitHub currently.