CVE-2026-46628 - Vulnerability Details - OpenCVE

Twig is a template language for PHP. Prior to 3.26.0, the deprecated spaceless filter is registered as safe for HTML, causing Twig autoescaping to emit attacker-controlled markup unescaped when spaceless is applied to untrusted input. This issue is fixed in version 3.26.0.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Twigphp	Twig

No data.

No data.

References

Link	Providers
https://github.com/twigphp/Twig/commit/3190b9ae12614dfd58cc5d8f394bac4708b17913
https://github.com/twigphp/Twig/releases/tag/v3.26.0
https://github.com/twigphp/Twig/security/advisories/GHSA-4j38-f5cw-54h7

History

Wed, 15 Jul 2026 15:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Twigphp Twigphp twig
Vendors & Products		Twigphp Twigphp twig

Wed, 15 Jul 2026 13:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 14 Jul 2026 21:45:00 +0000

Type	Values Removed	Values Added
Description		Twig is a template language for PHP. Prior to 3.26.0, the deprecated spaceless filter is registered as safe for HTML, causing Twig autoescaping to emit attacker-controlled markup unescaped when spaceless is applied to untrusted input. This issue is fixed in version 3.26.0.
Title		Twig: The `spaceless` filter implicitly marks its output as safe
Weaknesses		CWE-116
References		https://github.com/twigphp/Twig/commit/3190b9ae12614dfd58cc5d8f394bac4708b17913 https://github.com/twigphp/Twig/releases/tag/v3.26.0 https://github.com/twigphp/Twig/security/advisories/GHSA-4j38-f5cw-54h7
Metrics		cvssV4_0 `{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-07-14T21:19:54.501Z

Updated: 2026-07-15T12:49:21.254Z

Reserved: 2026-05-15T19:34:14.013Z

Link: CVE-2026-46628

Vulnrichment

Updated: 2026-07-15T12:49:06.927Z

NVD

No data.

Redhat

No data.

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