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.
{
"cwe_ids": [
"CWE-116"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46628.json",
"cna_assigner": "GitHub_M"
}{
"cpe": "cpe:2.3:a:symfony:twig:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "3.26.0"
}
],
"source": [
"CPE_RANGE",
"REFERENCES"
]
}