CVE-2026-46628
Medium
Description
Twig is a template language for PHP. Prior to 3.26.0, the deprecated spaceless filter is registered as safe for HTML, causing Twig autoescaping to emit attacker-controlled markup unescaped when spaceless is applied to untrusted input. This issue is fixed in version 3.26.0.
SeverityMedium
CVSS5.4
Exploit probability—
Product
Symfony Twig
PublishedJul 14, 2026
First seenJul 14, 2026
Weakness typeCWE-116CWE-116
How to fix
Update
- symfony twig3.26.0 or later
- twig/twig3.26.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| symfony twig | v < 3.26.0 | 3.26.0 |
| twig/twigPackagist | v < 3.26.0 | 3.26.0 |
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