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.
Published: 2026-10-19
Score: 9.3 Critical
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Mon, 19 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
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.
Title Craft CMS 5.0.0 before 5.11.0 GraphQL Site-Scope Bypass via Mutations
First Time appeared Craftcms
Craftcms craft Cms
Weaknesses CWE-863
CPEs cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*
Vendors & Products Craftcms
Craftcms craft Cms
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

Craftcms Craft Cms
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-19T19:10:53.896Z

Reserved: 2026-10-19T18:10:49.940Z

Link: CVE-2026-112776

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-19T20:17:54.900

Modified: 2026-10-19T20:17:54.900

Link: CVE-2026-112776

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-19T20:30:03Z

Weaknesses