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CVE-2026-46640

Twig: Arbitrary PHP code execution via `_self.(<string>)` macro-reference compilation

Published: Jul 14, 2026Updated: Jul 16, 2026 Sources: CVE List NVDCWE-94
8.8HIGH
NVD MITRE
EPSS Score
0.4%
Top 66.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Twig is a template language for PHP. From 3.15.0 until 3.26.0, _self.(<string>) and import-alias dynamic attribute syntax can concatenate an attacker-controlled string into a MacroReferenceExpression name without identifier validation, causing raw PHP to be emitted into the generated template source and executed at template-load time. This issue is fixed in version 3.26.0.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-94

Affected Products

twigphp
oss-projectaka twig
TwigLibrary
OSS Libraries / web-framework
symfony
oss-projectaka symfony framework, twig (related)
twigLibrary
OSS Libraries / web-framework

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/twigphp/Twig/security/advisories/GHSA-45vw-wh46-2vx8
github.com
https://github.com/twigphp/Twig/commit/324fa60545694fa6abe85ded9befcb82e1066bc2
github.com
https://github.com/twigphp/Twig/releases/tag/v3.26.0
github.com

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