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

🗓️ 14 Jul 2026 21:25:20Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

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, ...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-46637
14 Jul 202621:25
attackerkb
Circl
CVE-2026-46637
20 May 202610:31
circl
CVE
CVE-2026-46637
14 Jul 202621:25
cve
Debian
[SECURITY] [DSA 6311-1] php-twig security update
29 May 202618:34
debian
Debian
[SECURITY] [DSA 6320-1] php-twig security update
2 Jun 202617:39
debian
Debian CVE
CVE-2026-46637
1 Jan 197000:00
debiancve
Tenable Nessus
Debian dsa-6311 : php-twig - security update
30 May 202600:00
nessus
Tenable Nessus
Debian dsa-6320 : php-twig - security update
3 Jun 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-46637
21 May 202600:00
nessus
EUVD
EUVD-2026-44509
14 Jul 202621:25
euvd
Rows per page
[
  {
    "vendor": "twigphp",
    "product": "Twig",
    "versions": [
      {
        "version": "< 3.26.0",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "twig",
    "product": "cssinliner-extra",
    "versions": [
      {
        "version": "< 3.26.0",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "twig",
    "product": "markdown-extra",
    "versions": [
      {
        "version": "< 3.26.0",
        "status": "affected"
      }
    ]
  }
]

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14 Jul 2026 21:25Current
CVSS 45.1
EPSS0.0006
9