Vulnerability Description
Twig is a template language for PHP. Prior to 3.26.0, {% sandbox %}{% include %} can include a template that was previously loaded outside the sandbox without re-invoking checkSecurity(), allowing the cached template to use tags, filters, and functions that should have been denied by SecurityPolicy::checkSecurity(). This issue is fixed in version 3.26.0.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Symfony | Twig | < 3.26.0 |
Related Weaknesses (CWE)
References
- https://github.com/twigphp/Twig/commit/819c6a89fe0f261b8555c4f4d5e27d31984223eaPatch
- https://github.com/twigphp/Twig/releases/tag/v3.26.0Release Notes
- https://github.com/twigphp/Twig/security/advisories/GHSA-7fxw-r6jv-74c8Vendor Advisory
FAQ
What is CVE-2026-46638?
CVE-2026-46638 is a vulnerability with a CVSS score of 8.1 (HIGH). Twig is a template language for PHP. Prior to 3.26.0, {% sandbox %}{% include %} can include a template that was previously loaded outside the sandbox without re-invoking checkSecurity(), allowing the...
How severe is CVE-2026-46638?
CVE-2026-46638 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-46638?
Check the references section above for vendor advisories and patch information. Affected products include: Symfony Twig.