CVE-2025-29509 — HIGH (8.8)

Vulnerability 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().

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-77

References

FAQ

What is CVE-2025-29509?

CVE-2025-29509 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 electron...

How severe is CVE-2025-29509?

CVE-2025-29509 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-29509?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.