What is CVE-2026-35408?

CVE-2026-35408 is a high-severity vulnerability in Directus, classified under Origin Validation Error. CVSS score: 8.7/10. Published 2026-04-06.

How severe is CVE-2026-35408?

High severity. CVSS v3 base score is 8.7 out of 10.

Vulnerability in Directus

CVE-2026-35408

Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.17.0, Directus's Single Sign-On (SSO) login pages lacked a Cross-Origin-Opener-Policy (COOP) HTTP response header. Without this header, a maliciou…

EPSS: 0.000 (0.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

Directus — versions < 11.17.0

Weakness classification (CWE)

CWE-346 — Origin Validation Error
CWE-693 — Protection Mechanism Failure

References

https://github.com/directus/directus/security/advisories/GHSA-8m32-p958-jg99 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-35408?: CVE-2026-35408 is a high-severity vulnerability in Directus, classified under Origin Validation Error. CVSS score: 8.7/10. Published 2026-04-06.
How severe is CVE-2026-35408?: High severity. CVSS v3 base score is 8.7 out of 10.