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TI-2026-51008 Aliases CVE-2026-72782GHSA-596p-6jv8-775v

Craft CMS 5.0.0-RC1 before 5.10.6 Environment Variable Leak

Priority LOW 31CWE-668Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-668 and the CVSS impact.

Summary

Craft CMS versions >= 5.0.0-RC1 before 5.10.6 and >= 4.0.0-RC1 before 4.18.2 interpolate environment variables and secrets (via ${ENV_VAR} strings in the elementId parameter) into Twig templates before rendering, even when the Twig sandbox is enabled. An authenticated attacker with control panel access can render a malicious sandboxed Twig template and, using a blind error-based technique across many requests, incrementally leak arbitrary environment variables and secrets. These can be abused to forge sessions (via CRAFT_SECURITY_KEY), escalate privileges, and steal database, SMTP, API, or blob storage credentials. Fixed in 5.10.6 and 4.18.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00386 32nd percentileScored 2026-11-07
Fix Fixed cms (craftcms): 5.10.6, 4.18.2craftcms/cms (Packagist): 5.10.6, 4.18.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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 CMScms5.0.0-RC1 to before 5.10.65.10.6Patch availableCNA
Craft CMScms4.0.0-RC1 to before 4.18.24.18.2Patch availableCNA
—craftcms/cms (Packagist)5.0.0-RC1 to before 5.10.65.10.6Patch availableGHSA-596p-6jv8-775v
—craftcms/cms (Packagist)4.0.0-RC1 to before 4.18.24.18.2Patch availableGHSA-596p-6jv8-775v
  • cms VendorCraft CMS Affected 5.0.0-RC1 to before 5.10.6 Fixed in 5.10.6 Patch available CNA
  • cms VendorCraft CMS Affected 4.0.0-RC1 to before 4.18.2 Fixed in 4.18.2 Patch available CNA
  • craftcms/cms (Packagist) Vendor— Affected 5.0.0-RC1 to before 5.10.6 Fixed in 5.10.6 Patch available GHSA-596p-6jv8-775v
  • craftcms/cms (Packagist) Vendor— Affected 4.0.0-RC1 to before 4.18.2 Fixed in 4.18.2 Patch available GHSA-596p-6jv8-775v

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

  • Fix · CNA cms (craftcms) Fixed in 5.10.6
  • Fix · CNA cms (craftcms) Fixed in 4.18.2
  • Fix · GHSA-596p-6jv8-775v craftcms/cms (Packagist) Fixed in 5.10.6 Advisory →
  • Fix · GHSA-596p-6jv8-775v craftcms/cms (Packagist) Fixed in 4.18.2 Advisory →

Fixed in the same release

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

  • Release ·

    craftcms cms 5.10.6

    6 records Highest priority Priority MEDIUM 2 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2026-51004 Craft CMS 5.0.0-RC1 before 5.10.6 Authenticated RCE via condition.configPriority MEDIUM 41
    • TI-2026-51011 Craft CMS before 5.10.6 Authorization Bypass via structures/move-elementPriority MEDIUM 40
    • TI-2026-51005 Craft CMS 5.0.0-RC1 before 5.10.6 Arbitrary File Read via SplFileObjectPriority LOW 38
    Show all 6 records →
  • Release ·

    craftcms cms 4.18.2

    5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2026-51004 Craft CMS 5.0.0-RC1 before 5.10.6 Authenticated RCE via condition.configPriority MEDIUM 41
    • TI-2026-51005 Craft CMS 5.0.0-RC1 before 5.10.6 Arbitrary File Read via SplFileObjectPriority LOW 38
    • TI-2026-51010 Craft CMS 5.0.0-RC1 before 5.10.6 SSRF via GraphQL asset mutationPriority LOW 30
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-72782
  2. 2026-10-03 Alias added: GHSA-596p-6jv8-775v

References

Advisory 2

Other 3

  • 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