CVE-2026-46637
low
CVSS v3
—
CVSS v2
—
VIR risk
2.5
Description
Twig: HTML-output filters in twig/* extras incorrectly declared `is_safe => ['all']`
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-46637
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 3.26.0-1 |
| debian | sid | fixed | 3.26.0-1 |
| debian | trixie | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | twig/cssinliner-extra | >=2.12.0,<3.0.0|>=3.0.0,<3.26.0 | |
| Packagist | twig/markdown-extra | >=2.12.0,<3.0.0|>=3.0.0,<3.26.0 | |
| Packagist | twig/markdown-extra | <3.26.0 | 3.26.0 |
| Packagist | twig/cssinliner-extra | <3.26.0 | 3.26.0 |
| COMPOSER | twig/cssinliner-extra | < 3.26.0 | 3.26.0 |
| COMPOSER | twig/markdown-extra | < 3.26.0 | 3.26.0 |
References
- https://symfony.com/cve-2026-46637
- https://security-tracker.debian.org/tracker/CVE-2026-46637
- https://github.com/twigphp/Twig/security/advisories/GHSA-jv8m-2544-3pg3
- https://github.com/FriendsOfPHP/security-advisories/blob/master/twig/cssinliner-extra/CVE-2026-46637.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/twig/markdown-extra/CVE-2026-46637.yaml
- https://github.com/twigphp/Twig
- https://github.com/advisories/GHSA-jv8m-2544-3pg3
Verify integrity in audit chain (admin only). AS-IS.