CVE-2025-29509 Command injection in n/a
Attackers can execute arbitrary code by tricking users into clicking malicious links in Jan, exploiting unsafe external URL handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-29509?
CVE-2025-29509 is a high-severity command injection vulnerability in n/a, published on 9 May 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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().
Weakness: CWE-77
Which versions are affected by CVE-2025-29509?
How do I fix CVE-2025-29509?
No fix has been published for CVE-2025-29509 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-29509 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-29509 exists.
Sources
Also known as GHSA-99vm-2jmg-q6cj.