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  4. CVE 2026 112776 craft cms 500 before 5110 graphql site scope
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Back to active CVEs
Critical · CVSS 9.3CVE-2026-112776

Craft CMS 5.0.0 before 5.11.0 GraphQL Site-Scope Bypass via MutationsCVE-2026-112776

Answer in brief

CVE-2026-112776 records a Critical severity (CVSS 9.3) vulnerability in Craft CMS 5.0.0 before 5.11.0 GraphQL Site-Scope Bypass via Mutations. The current sources do not mark it as known exploited. The current feed maps craftcms/cms (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 19, 2026Updated Oct 19, 2026Source checked Oct 19, 2026First seen by HOL Oct 19, 2026Material review Oct 19, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps craftcms/cms (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
craftcms/cmsgeneric>=5.0.0 <5.11.05.11.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for craftcms/cms.
  2. 2Review the reported fix. Update craftcms/cms to 5.11.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 19, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 19, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 19, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Craft CMS before 4.18.8 and 5.11.0 Authenticated RCE via Twig group Filter Array-CallableSame craftcms/cms package
  • Craft CMS before 4.18.8 and 5.11.0 Twig Sandbox Allowlist Bypass via Array FiltersSame craftcms/cms package
  • Craft CMS 5.0.0 before 5.11.0 RCE via Asset::getMimeType Transform InjectionSame craftcms/cms package
  • Craft CMS 5.0.0 before 5.11.0 RCE via Twig Sandbox Behavior InjectionSame craftcms/cms package
  • Craft CMS 5.8.0 before 5.11.0 Admin RCE via ContentBlock Field LayoutSame craftcms/cms package
  • Craft CMS 5.0.0 before 5.11.0 Verification Code Reuse via users/set-passwordSame craftcms/cms package

Record context

Vulnerability class
Secret Exfiltration
EPSS
Not reported
CWE IDs
CWE-863
Source
CVE List V5
Source checked
Oct 19, 2026
References
2 linked sources
Open source record