CVE Tools
Sign in

CVE-2026-46628

Twig: The `spaceless` filter implicitly marks its output as safe

Published: Jul 14, 2026Updated: Jul 16, 2026 Sources: CVE List NVDCWE-116
5.4MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 93.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-116

Affected Products

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

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-46628?We can run the check for you — a free external exposure review, no install. Check my exposure

References

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

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-46628 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows