Vulnerability in Trilby Media Grav Cms Scheduler-webhook Plugin

CVE-2026-57852

Grav CMS scheduler-webhook plugin contains an authentication bypass vulnerability that allows unauthenticated remote attackers to trigger configured scheduled jobs by exploiting a short-circuit logic flaw in the webhook token validation. A…

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-57852?
CVE-2026-57852 is a medium-severity vulnerability in Trilby Media Grav Cms Scheduler-webhook Plugin, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 5.6/10. Published 2026-07-20.
How severe is CVE-2026-57852?
Medium severity. CVSS v3 base score is 5.6 out of 10.