CVE-2026-46638
Full vulnerability record from the local CVENow database.
Description
Twig is a template language for PHP. Prior to 3.26.0, {% sandbox %}{% include %} can include a template that was previously loaded outside the sandbox without re-invoking checkSecurity(), allowing the cached template to use tags, filters, and functions that should have been denied by SecurityPolicy::checkSecurity(). This issue is fixed in version 3.26.0.
Severity
MEDIUM
CVSS score
6.0
(v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-14 22:16:56.553000
Last modified
2026-10-24 22:10:00.210000
View original CVE JSON
{
"id": "CVE-2026-46638",
"sourceIdentifier": "[email protected]",
"published": "2026-07-14T22:16:56.553",
"lastModified": "2026-10-24T22:10:00.210",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Twig is a template language for PHP. Prior to 3.26.0, {% sandbox %}{% include %} can include a template that was previously loaded outside the sandbox without re-invoking checkSecurity(), allowing the cached template to use tags, filters, and functions that should have been denied by SecurityPolicy::checkSecurity(). This issue is fixed in version 3.26.0."
},
{
"lang": "es",
"value": "Twig es un lenguaje de plantillas para PHP. Antes de la versión 3.26.0, {% sandbox %}{% include %} puede incluir una plantilla que fue cargada previamente fuera del sandbox sin volver a invocar checkSecurity(), permitiendo que la plantilla en caché use etiquetas, filtros y funciones que deberían haber sido denegados por SecurityPolicy::checkSecurity(). Este problema está solucionado en la versión 3.26.0."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "twigphp",
"product": "Twig",
"versions": [
{
"version": "< 3.26.0",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 6.0,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 5.2
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-15T12:47:56.859511Z",
"id": "CVE-2026-46638",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-693"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:symfony:twig:*:*:*:*:*:*:*:*",
"versionEndExcluding": "3.26.0",
"matchCriteriaId": "797B6432-E13E-450D-BF3C-8CEDA7D265F4"
}
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}
],
"references": [
{
"url": "https://github.com/twigphp/Twig/commit/819c6a89fe0f261b8555c4f4d5e27d31984223ea",
"source": "[email protected]",
"tags": [
"Patch"
]
},
{
"url": "https://github.com/twigphp/Twig/releases/tag/v3.26.0",
"source": "[email protected]",
"tags": [
"Release Notes"
]
},
{
"url": "https://github.com/twigphp/Twig/security/advisories/GHSA-7fxw-r6jv-74c8",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}