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Back to active CVEs
High · CVSS 8.7CVE-2026-79987

Low-privilege RCE through element-search eager loadingCVE-2026-79987

Answer in brief

CVE-2026-79987 records a High severity (CVSS 8.7) vulnerability in Low-privilege RCE through element-search eager loading. The current sources do not mark it as known exploited. The current feed maps craftcms/cms (generic), craftcms/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 Sep 10, 2026Updated Sep 11, 2026Source checked Oct 25, 2026First seen by HOL Sep 10, 2026Material review Sep 11, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
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), craftcms/craftcms/cms (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
craftcms/cmsgeneric>=5.8.0 <5.10.135.10.13
craftcms/craftcms/cmsgeneric>=5.8.0 <5.10.135.10.13

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for craftcms/cms, craftcms/craftcms/cms.
  2. 2Review the reported fix. Update craftcms/cms to 5.10.13; craftcms/craftcms/cms to 5.10.13 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 10, 2026

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

  2. Source modified

    Sep 11, 2026

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

  3. First seen by HOL

    Sep 10, 2026

Sources and claim methodology

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

A remote, authenticated, non-admin Craft CMS Control Panel user with only the accessCp permission can execute operating system commands as the PHP web worker.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-470
Source
CVE List V5
Source checked
Oct 25, 2026
References
4 linked sources
Open source record