p PatchFirst

CVE-2026-46637

CVE-2026-46637 · Twig: HTML-output filters in twig/* extras incorrectly declared `is_safe => ['all']`

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Twig is a template language for PHP. Prior to 3.26.0, several filters in twig/markdown-extra and twig/cssinliner-extra are registered with is_safe => [all], causing Twig to treat plain text or HTML output as safe in HTML, JavaScript, CSS, URL, and other contexts where the output is not properly escaped. This issue is fixed in version 3.26.0.

CVSS 5.1 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: system · php

Affected products and versions

  • twig

    Versions
    • < 3.26.0: Affected

    No fix published

  • cssinliner-extra

    Versions
    • < 3.26.0: Affected

    No fix published

  • markdown-extra

    Versions
    • < 3.26.0: Affected

    No fix published

  • php-twig Debian:12

    Versions
    • 3.5.1-1
    • 3.5.1-1+deb12u1
    • 3.5.1-1+deb12u2
    Affected ranges
    • ECOSYSTEM: < 3.5.1-1+deb12u3

    Update to 3.5.1-1+deb12u3

  • php-twig Debian:13

    Versions
    • 3.20.0-2
    • 3.21.1-1
    • 3.21.1-2
    • 3.21.1-3
    • 3.22.0-1
    • 3.22.0-2
    • 3.22.1-1
    • 3.22.1-2
    • 3.22.1-3
    • 3.22.2-1
    • 3.22.2-2
    • 3.23.0-1
    • 3.23.0-2
    • 3.24.0-1
    • 3.26.0-0+deb13u1
    • 3.26.0-1
    Affected ranges
    • ECOSYSTEM: < 3.27.0-0+deb13u1

    Update to 3.27.0-0+deb13u1

  • php-twig Debian:14

    Versions
    • 3.20.0-2
    • 3.21.1-1
    • 3.21.1-2
    • 3.21.1-3
    • 3.22.0-1
    • 3.22.0-2
    • 3.22.1-1
    • 3.22.1-2
    • 3.22.1-3
    • 3.22.2-1
    • 3.22.2-2
    • 3.23.0-1
    • 3.23.0-2
    • 3.24.0-1
    Affected ranges
    • ECOSYSTEM: < 3.26.0-1

    Update to 3.26.0-1

  • twig/markdown-extra Packagist

    Versions
    • v2.12.0
    • v2.12.1
    • v2.12.2
    • v2.12.3
    • v2.12.4
    • v2.12.5
    • v2.13.0
    • v2.13.1
    • v2.14.0
    • v2.14.1
    • v2.14.11
    • v2.14.2
    • v2.14.3
    • v2.14.5
    • v2.14.7
    • v2.14.8
    • v2.14.9
    • v2.15.0
    • v2.15.4
    • v2.15.5
    • v2.15.6
    • v2.16.0
    • v3.0.0
    • v3.0.0-BETA1
    • v3.0.1
    • v3.0.2
    • v3.0.3
    • v3.0.4
    • v3.0.5
    • v3.1.0
    • v3.1.1
    • v3.10.0
    • v3.11.0
    • v3.12.0
    • v3.13.0
    • v3.15.0
    • v3.16.0
    • v3.17.0
    • v3.18.0
    • v3.19.0
    • v3.2.1
    • v3.20.0
    • v3.21.0
    • v3.22.0
    • v3.23.0
    • v3.24.0
    • v3.3.0
    • v3.3.1
    • v3.3.3
    • v3.3.4
    • v3.3.5
    • v3.3.8
    • v3.4.0
    • v3.5.0
    • v3.5.1
    • v3.6.0
    • v3.7.0
    • v3.7.1
    • v3.8.0
    • v3.9.0
    Affected ranges
    • ECOSYSTEM: < 3.26.0

    Update to 3.26.0

  • twig/cssinliner-extra Packagist

    Versions
    • v2.12.0
    • v2.12.1
    • v2.12.2
    • v2.12.3
    • v2.12.4
    • v2.12.5
    • v2.13.0
    • v2.13.1
    • v2.14.0
    • v2.14.1
    • v2.14.2
    • v2.14.3
    • v2.14.7
    • v2.14.8
    • v2.14.9
    • v2.15.0
    • v2.15.5
    • v2.15.6
    • v2.16.0
    • v3.0.0
    • v3.0.0-BETA1
    • v3.0.1
    • v3.0.2
    • v3.0.3
    • v3.0.4
    • v3.0.5
    • v3.1.0
    • v3.1.1
    • v3.10.0
    • v3.11.0
    • v3.12.0
    • v3.13.0
    • v3.15.0
    • v3.16.0
    • v3.17.0
    • v3.18.0
    • v3.19.0
    • v3.2.1
    • v3.20.0
    • v3.21.0
    • v3.22.0
    • v3.23.0
    • v3.24.0
    • v3.3.0
    • v3.3.3
    • v3.3.4
    • v3.3.5
    • v3.4.0
    • v3.5.0
    • v3.5.1
    • v3.6.0
    • v3.7.0
    • v3.7.1
    • v3.8.0
    • v3.9.0
    Affected ranges
    • ECOSYSTEM: < 3.26.0

    Update to 3.26.0

  • php-twig Ubuntu:Pro:20.04:LTS

    Versions
    • 2.11.3-2
    • 2.12.1-1
    • 2.12.2-1
    • 2.12.3-1
    • 2.12.5-1
    • 2.12.5-1ubuntu0.1~esm1
    • 2.12.5-1ubuntu0.1~esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-twig Ubuntu:Pro:22.04:LTS

    Versions
    • 3.3.2-1ubuntu3
    • 3.3.4-1
    • 3.3.6-1
    • 3.3.7-1
    • 3.3.8-2ubuntu4
    • 3.3.8-2ubuntu4+esm1
    • 3.3.8-2ubuntu4+esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-twig Ubuntu:Pro:24.04:LTS

    Versions
    • 3.7.0-1
    • 3.7.1-1
    • 3.8.0-2
    • 3.8.0-2ubuntu0.1~esm1
    • 3.8.0-2ubuntu1
    • 3.8.0-2ubuntu1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-twig Ubuntu:25.10

    Versions
    • 3.20.0-2ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-twig Ubuntu:26.10

    Versions
    • 3.23.0-2build7
    • 3.27.1-1
    • 3.28.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-twig Ubuntu:Pro:26.04:LTS

    Versions
    • 3.20.0-2ubuntu1
    • 3.23.0-2build5
    • 3.23.0-2build7
    • 3.23.0-2ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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