CVE-2026-46640

Twig is a template language for PHP. From 3.15.0 until 3.26.0, _self.(<string>) and import-alias dynamic attribute syntax can concatenate an attacker-controlled string into a MacroReferenceExpression name without identifier validation, causing raw PHP to be emitted into the generated template source and executed at template-load time. This issue is fixed in version 3.26.0.

Score

CVSS 3.1 8.8 High

Status

Analyzed - security-advisories@github.com

Published

2026-07-14

Last modified

2026-10-24

Weaknesses

CWE-94

Affected products

• Twig (Symfony)
• Twig (Twigphp)

References

• https://github.com/twigphp/Twig/security/advisories/GHSA-45vw-wh46-2vx8
• https://github.com/twigphp/Twig/commit/324fa60545694fa6abe85ded9befcb82e1066bc2
• https://github.com/twigphp/Twig/releases/tag/v3.26.0