High severityNVD Advisory· Published Sep 28, 2022· Updated Apr 23, 2025
Twig may load a template outside a configured directory when using the filesystem loader
CVE-2022-39261
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
twig/twigPackagist | >= 1.0.0, < 1.44.7 | 1.44.7 |
twig/twigPackagist | >= 2.0.0, < 2.15.3 | 2.15.3 |
twig/twigPackagist | >= 3.0.0, < 3.4.3 | 3.4.3 |
Affected products
3- osv-coords2 versions
>= 8.0.0, < 9.3.22+ 1 more
- (no CPE)range: >= 8.0.0, < 9.3.22
- (no CPE)range: >= 1.0.0, < 1.44.7
Patches
Vulnerability mechanics
References
21- github.com/advisories/GHSA-52m2-vc4m-jj33ghsaADVISORY
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OKRUHPVLIQVFPPJ2UWC3WV3WQO763NR/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUVTXMNPSZAHS3DWZEM56V5W4NPVR6L7/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NWRFPZSR74SYVJKBTKTMYUK36IJ3SQJP/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TW53TFJ6WWNXMUHOFACKATJTS7NIHVQE/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WV5TNNJLGG536TJH6DLCIAAZZIPV2GUD/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YU4ZYX62H2NUAKKGUES4RZIM4KMTKZ7F/mitrevendor-advisory
- nvd.nist.gov/vuln/detail/CVE-2022-39261ghsaADVISORY
- www.debian.org/security/2022/dsa-5248ghsavendor-advisoryWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/twig/twig/CVE-2022-39261.yamlghsaWEB
- github.com/twigphp/Twig/commit/35f3035c5deb0041da7b84daf02dea074ddc7a0bghsaWEB
- github.com/twigphp/Twig/security/advisories/GHSA-52m2-vc4m-jj33ghsaWEB
- lists.debian.org/debian-lts-announce/2022/10/msg00016.htmlghsamailing-listWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2OKRUHPVLIQVFPPJ2UWC3WV3WQO763NRghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AUVTXMNPSZAHS3DWZEM56V5W4NPVR6L7ghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NWRFPZSR74SYVJKBTKTMYUK36IJ3SQJPghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TW53TFJ6WWNXMUHOFACKATJTS7NIHVQEghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WV5TNNJLGG536TJH6DLCIAAZZIPV2GUDghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YU4ZYX62H2NUAKKGUES4RZIM4KMTKZ7FghsaWEB
- symfony.com/blog/twig-security-release-possibility-to-load-a-template-outside-a-configured-directory-when-using-the-filesystem-loaderghsaWEB
- www.drupal.org/sa-core-2022-016ghsaWEB
News mentions
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