by Kastro
Paper/Archive/CVE-2026-46633

CVE-2026-46633

twigphp Twig — Twig: PHP code injection via `{% use %}` template name

EPSS 0.7%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 52.6.526 × 2010.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Twig is a template language for PHP. Prior to 3.26.0, Compiler::string() does not escape single quotes when a template name from a {% use %} tag is placed inside a PHP single-quoted string literal, allowing a crafted template name to terminate the string and inject arbitrary PHP expressions into the compiled cache file. This issue is fixed in version 3.26.0.

Affected

ProductAffectedFixed inSource
Twig< 3.26.0–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub_M (CNA)8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refgithub.com/twigphp/Twig/security/advisories/GHSA-7p85-w9px-jpjprefgithub.com/twigphp/Twig/commit/679447fa29083043665482ccf7d64372472621b8refgithub.com/twigphp/Twig/commit/e9ff55f6910832428e48a35b2e0748189ad49ae3refgithub.com/twigphp/Twig/releases/tag/v3.26.0