php-twig: Twig is a template language for PHP
CVE-2026-46636 is fixed in php-twig on 1 platform, first by DEBIAN-CVE-2026-46636, released June 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Twig is a template language for PHP. From version 1.0.0 to before version 3.27.0, SecurityPolicy::checkMethodAllowed() unconditionally whitelists all method calls on instances of Twig\Markup. Twig\Markup is not final, so subclasses inherit the bypass. An application that passes an object of a Markup-derived class into a sandboxed template (typically to mark a chunk of HTML as safe) inadvertently exposes every public method of that subclass to template authors, regardless of the configured allowedMethods list. This issue has been patched in version 3.27.0.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| php-twig · Debian 13.5 (trixie) | 3.27.0-0+deb13u1 | DEBIAN-CVE-2026-46636 | Jun 24, 2026 |
| php-twig · Debian 14 | 3.27.0-1 | DEBIAN-CVE-2026-46636 | Jun 24, 2026 |
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