What is CVE-2024-40400?

CVE-2024-40400 is a high-severity vulnerability in Automad, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2024-07-19.

How severe is CVE-2024-40400?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Automad

CVE-2024-40400

An arbitrary file upload vulnerability in the image upload function of Automad v2.0.0 allows attackers to execute arbitrary code via a crafted file.

Vulnerability class: Unrestricted File Upload

Published 2024-07-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Automad — versions 2.0.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/marcantondahmen/automad/issues/106 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2024-40400?: CVE-2024-40400 is a high-severity vulnerability in Automad, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2024-07-19.
How severe is CVE-2024-40400?: High severity. CVSS v3 base score is 8.8 out of 10.