CVE-2022-39261

unknown

Published 2022-09-28 · Modified 2025-12-10

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CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

Twig is a template language for PHP. Versions 1.x prior to 1.44.7, 2.x prior to 2.15.3, and 3.x prior to 3.4.3 encounter an issue when the filesystem loader loads templates for which the name is a user input. It is possible to use the `source` or `include` statement to read arbitrary files from outside the templates' directory when using a namespace like `@somewhere/../some.file`. In such a case, validation is bypassed. Versions 1.44.7, 2.15.3, and 3.4.3 contain a fix for validation of such template names. There are no known workarounds aside from upgrading.

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`3.4.3-1`
sid	Fixed	`3.4.3-1`
forky	Fixed	`3.4.3-1`
bullseye	Fixed	`2.14.3-1+deb11u2`
bookworm	Fixed	`3.4.3-1`

Package impact

Ecosystem	Package	Vulnerable	Fixed
Packagist	drupal/core	`>=8.0.0,<9.3.22\|\|>=9.4.0,<9.4.7`	`9.3.22`
Packagist	twig/twig	`>=1.0.0,<1.44.7`	`1.44.7`
Packagist	twig/twig	`>=2.0.0,<2.15.3`	`2.15.3`
Packagist	twig/twig	`>=3.0.0,<3.4.3`	`3.4.3`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.