CVE-2026-112776

CriticalCVSS 9.8/10Last modified Oct 20, 2026

Description

Craft CMS from 5.0.0 before 5.11.0 contains an authorization bypass vulnerability that allows site-scoped GraphQL tokens to mutate other sites' content because requireAllowedSite() is not enforced. Attackers holding a site-A token can create entries in site B via supplied siteId and delete entries, categories, tags, and assets shared across sites.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 19, 2026
Last modified
Oct 20, 2026
NVD status
Deferred

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CVE-2026-112776: Critical severity, CVSS 9.8 | Vulnix