What is CVE-2026-27939?

CVE-2026-27939 is a high-severity vulnerability in Statamic Cms, classified under Improper Authentication. CVSS score: 8.8/10. Published 2026-02-27.

How severe is CVE-2026-27939?

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

Auth bypass in Statamic Cms

CVE-2026-27939

Statmatic is a Laravel and Git powered content management system (CMS). Starting in version 6.0.0 and prior to version 6.4.0, Authenticated Control Panel users may under certain conditions obtain elevated privileges without completing the…

Vulnerability class: Broken Authentication

EPSS: 0.000 (6.5th percentile) — read the EPSS interpretation.

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.

Affected products

Statamic Cms — versions >= 6.0.0, < 6.4.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

https://github.com/statamic/cms/security/advisories/GHSA-rw9x-pxqx-q789 (x_refsource_CONFIRM)
https://github.com/statamic/cms/commit/8639ef96217eaa682bc42e8a62769cb7c6a85d3a (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-27939?: CVE-2026-27939 is a high-severity vulnerability in Statamic Cms, classified under Improper Authentication. CVSS score: 8.8/10. Published 2026-02-27.
How severe is CVE-2026-27939?: High severity. CVSS v3 base score is 8.8 out of 10.