HOMEVULNERABILITIESCVE-2022-39261
HIGH

CVE-2022-39261

CWE-22Published: September 28, 2022· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-39261 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

Debian1 product(s)
debian linux
Drupal1 product(s)
drupal
Fedora1 product(s)
fedora
symfony1 product(s)
twig
Source: NVD CPE · 7 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/twigphp/Twig/commit/35f3035c5deb0041da7b84daf02dea074ddc7a0b
PATCHhttps://www.drupal.org/sa-core-2022-016
PATCHhttps://github.com/twigphp/Twig/commit/35f3035c5deb0041da7b84daf02dea074ddc7a0b
PATCHhttps://www.drupal.org/sa-core-2022-016
ADVISORYhttps://github.com/twigphp/Twig/security/advisories/GHSA-52m2-vc4m-jj33
ADVISORYhttps://lists.debian.org/debian-lts-announce/2022/10/msg00016.html
ADVISORYhttps://www.debian.org/security/2022/dsa-5248
ADVISORYhttps://github.com/twigphp/Twig/security/advisories/GHSA-52m2-vc4m-jj33
ADVISORYhttps://lists.debian.org/debian-lts-announce/2022/10/msg00016.html
ADVISORYhttps://www.debian.org/security/2022/dsa-5248

All References (22)

→
https://github.com/twigphp/Twig/commit/35f3035c5deb0041da7b84daf02dea074ddc7a0bPatch · Third Party Advisory
→
https://github.com/twigphp/Twig/security/advisories/GHSA-52m2-vc4m-jj33Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2022/10/msg00016.htmlMailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OKRUHPVLIQVFPPJ2UWC3WV3WQO763NR/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUVTXMNPSZAHS3DWZEM56V5W4NPVR6L7/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NWRFPZSR74SYVJKBTKTMYUK36IJ3SQJP/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TW53TFJ6WWNXMUHOFACKATJTS7NIHVQE/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WV5TNNJLGG536TJH6DLCIAAZZIPV2GUD/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YU4ZYX62H2NUAKKGUES4RZIM4KMTKZ7F/
→
https://www.debian.org/security/2022/dsa-5248Third Party Advisory
→
https://www.drupal.org/sa-core-2022-016Patch · Third Party Advisory
→
https://github.com/twigphp/Twig/commit/35f3035c5deb0041da7b84daf02dea074ddc7a0bPatch · Third Party Advisory
→
https://github.com/twigphp/Twig/security/advisories/GHSA-52m2-vc4m-jj33Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2022/10/msg00016.htmlMailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OKRUHPVLIQVFPPJ2UWC3WV3WQO763NR/

Quick Facts

CVE IDCVE-2022-39261
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
Affected4 vendor(s)
PublishedSep 28, 2022

Related CVEs (CWE-22)

CVE-2025-64075
10.0
CVE-2026-2731
10.0
CVE-2026-48282
KEV10.0
CVE-2008-6834
10.0
CVE-2025-69770
10.0
CVE-2026-22557
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-39261 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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