What is CVE-2026-39942?

CVE-2026-39942 is a high-severity vulnerability in Directus, classified under Improper Access Control. CVSS score: 8.5/10. Published 2026-04-09.

How severe is CVE-2026-39942?

High severity. CVSS v3 base score is 8.5 out of 10.

Auth bypass in Directus

CVE-2026-39942

Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.17.0, the PATCH /files/{id} endpoint accepts a user-controlled filename_disk parameter. By setting this value to match the storage path of another…

EPSS: 0.000 (12.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N.

Affected products

Directus — versions < 11.17.0

Weakness classification (CWE)

References

https://github.com/directus/directus/security/advisories/GHSA-393c-p46r-7c95 (x_refsource_CONFIRM)
https://github.com/directus/directus/releases/tag/v11.17.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-39942?: CVE-2026-39942 is a high-severity vulnerability in Directus, classified under Improper Access Control. CVSS score: 8.5/10. Published 2026-04-09.
How severe is CVE-2026-39942?: High severity. CVSS v3 base score is 8.5 out of 10.