Critical

Jan path traversal vulnerability

  • Disclosed: 04.06.2024
  • Updated: 11.10.2026 10:22

An arbitrary file upload vulnerability in the /v1/app/writeFileSync interface of Jan v0.4.12 allows attackers to execute arbitrary code via uploading a crafted file. @janhq/core has been deprecated in favor of janhq/jan, this vulnerability has been patched there in v0.5.2.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package @janhq/core <= 0.1.11 no fix

References

CVSS score 9.8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-434
Platform
npm
Package
@janhq/core
Disclosed
04.06.2024
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-qfjh-mvq6-c5p8 - CC BY 4.0

Vulnerability history: @janhq/core

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
3
First → latest
06.2024 06.2024
Without a fix
3
Exploited in attacks
0

Severity breakdown

  • Critical 2
  • High 1

Disclosures per year

  1. 2024: 3
  2. 2025: 0
  3. 2026: 0
  1. Critical · 9.8 CVE-2024-37273 <= 0.1.11 no fix
  2. Jan path traversal vulnerability this entry
    Critical · 9.8 CVE-2024-36858 <= 0.1.11 no fix
  3. High · 7.5 CVE-2024-36857 <= 0.1.11 no fix

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