{"id":"CVE-2026-112776","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-112776","summary":"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()…","details":"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.","published":"2026-10-19T20:17:54.900","modified":"2026-10-19T20:17:54.900","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/craftcms/cms/security/advisories/GHSA-7rr3-4jcm-x526"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/craft-cms-5.0.0-before-5.11.0-graphql-site-scope-bypass-via-mutations"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-19T20:17:54.900"}}