CVE-2026-112776 Craft CMS 5.0.0 before 5.11.0 GraphQL Site-Scope Bypass via Mutations
Attackers with site-scoped GraphQL tokens can bypass authorization to modify or delete content across other sites in Craft CMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-112776?
CVE-2026-112776 is a critical missing authorization vulnerability in craftcms cms, published on 19 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2026-112776?
How do I fix CVE-2026-112776?
No fix has been published for CVE-2026-112776 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-112776 being exploited?
There is no known exploitation of CVE-2026-112776 in the wild and no public exploit code.
Sources
Also known as GHSA-7rr3-4jcm-x526, GHSA-vgpq-xf77-c94c.