Arbitrary file upload in Homebrew Jan

CVE-2024-36858

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.031 (86.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-36858?
CVE-2024-36858 is a critical-severity vulnerability in Homebrew Jan, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2024-06-04.
How severe is CVE-2024-36858?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-36858 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.