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Back to active CVEs
High · CVSS 8.7CVE-2026-123490

Craft CMS before 5.11.2 Privilege Escalation via getOwners() Sandbox BypassCVE-2026-123490

Answer in brief

CVE-2026-123490 records a High severity (CVSS 8.7) vulnerability in Craft CMS before 5.11.2 Privilege Escalation via getOwners() Sandbox Bypass. 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 Nov 6, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Nov 6, 2026Material review Nov 6, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.7. 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>=5.8.17 <5.11.25.11.2

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for craftcms/cms.
  2. 2Review the reported fix. Update craftcms/cms to 5.11.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 6, 2026

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

  2. Source modified

    Nov 6, 2026

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

  3. First seen by HOL

    Nov 6, 2026

Sources and claim methodology

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

Craft CMS from 5.8.17 before 5.11.2 contains a privilege escalation vulnerability because getOwners() applies caller criteria without cleansing the query configuration. Authenticated control panel users can invoke attacker-selected static PHP callables via crafted criteria to promote every account to administrator.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Craft CMS 4.0.0 before 4.18.9 SQL Injection via Element Search EndpointSame craftcms/cms package
  • Craft CMS 4.0.0 before 4.18.9 Blind SQL Injection via getNext/getPrev CriteriaSame craftcms/cms package
  • Craft CMS 4.0.0 before 4.18.9 Unauthenticated SQL Injection via GraphQL Eager-Load SelectSame craftcms/cms package

Record context

Vulnerability class
Privilege Escalation
EPSS
Not reported
CWE IDs
CWE-915
Source
CVE List V5
Source checked
Nov 6, 2026
References
2 linked sources
Open source record