CVE-2025-29509
HIGH
8.8
CVSS Score
Published: May 9, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:05 AM UTC
1 product affected across 1 vendorJan
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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
PoC
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().
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
SSVC — Action Prioritization
SSVCPoCNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8.8HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusDEFERRED
CWE
CWE-77
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