CVE-2025-29509HIGH 8.8EPSS p38.8%

CVE-2025-29509CVE-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().

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.50% probability of exploitation · percentile 38.8% · 2026-06-19T12:03:05Z
Published2025-05-09
Last modified2026-04-15

Underlying weaknesses· 1

CWE-77

References

  1. https://drive.google.com/file/d/1qDztNtn2merSjYgPRLWFFXqlXM9tcrjD/view?usp=sharing
  2. https://gist.github.com/Suuuuuzy/b8fa2fa083793c460e3686c182f8c4d1

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in a Command ('Command Injection')cwe-770%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.