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TI-2026-71121 Aliases CVE-2026-109305GHSA-xcjh-qqjq-gq4g

Twig sandbox bypass in Craft CMS allows code execution via has some

Priority MEDIUM 40CWE-1336Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-1336.

Summary

Craft CMS from 5.10.2 before 5.10.14 contains a Twig sandbox bypass (CWE-1336) in the "has some" and "has every" operators. Users with the System Messages permission can supply two-argument callables such as passthru or system in sandboxed templates, which lets them execute code as the web user.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Craft CMS from 5.10.2 before 5.10.14 contains a Twig sandbox bypass that allows non-admin users to invoke PHP callables through the "has some" and "has every" operators. Users with the System Messages permission can supply two-argument callables such as passthru or system in sandboxed templates to execute code as the web user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00485 41st percentileScored 2026-11-07
Fix Fixed cms (craftcms): 5.10.14

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Craft CMScms5.10.2 to before 5.10.145.10.14Patch availableCNA
  • cms VendorCraft CMS Affected 5.10.2 to before 5.10.14 Fixed in 5.10.14 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*——Craft CMS
  • cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:* Versions — — ·Craft CMS

Remediation

Upgrade Craft CMS to version 5.10.14. The sources list no fix for a product other than Craft CMS.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA cms (craftcms) Fixed in 5.10.14

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    craftcms cms 5.10.14

    5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-71124 Craft CMS behavior injection enables remote code executionPriority MEDIUM 40
    • TI-2026-71120 Arbitrary file read in Craft CMS through Twig create() DOMDocumentPriority LOW 30
    • TI-2026-71122 Missing authorization in Craft CMS lets users downgrade site editionPriority LOW 26
    Show all 5 records →

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-109305
  2. 2026-10-12 Alias added: GHSA-xcjh-qqjq-gq4g
  3. 2026-10-13 Priority changed: MEDIUM → LOW
  4. 2026-10-13 CISA SSVC decision points changed
  5. 2026-10-13 Priority changed: LOW → MEDIUM

References

Advisory 1

  • TI-2025-23503 Craft CMS Allows Remote Code Execution KEVCVSS 3.1CRITICAL 10.0
  • TI-2024-37138 RCE when PHP `register_argc_argv` config setting is enabled in craftcms/cms KEVCVSS 4.0CRITICAL 9.3
  • TI-2025-16994 Potential RCE with a compromised security key in craft/cms KEVCVSS 3.1HIGH 8.1
  • TI-2025-24595 Craft CMS stores user-provided content in session files KEVCVSS 4.0MEDIUM 6.9
  • TI-2023-22284 Craft CMS Remote Code Execution vulnerability CVSS 3.1CRITICAL 10.0
  • TI-2024-25171 Craft CMS up to v3.7.31 was discovered to contain a SQL injection vulnerability via the GraphQL API endpoint. CVSS 3.1CRITICAL 9.8
See all 203 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences