{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-46634", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-15T20:11:54.583Z", "datePublished": "2026-07-14T21:19:17.804Z", "dateUpdated": "2026-07-29T18:26:17.523Z" }, "containers": { "cna": { "title": "Twig: `template_from_string()` escapes a SourcePolicy-driven sandbox via synthesized template name", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-693", "lang": "en", "description": "CWE-693: Protection Mechanism Failure", "type": "CWE" } ] } ], "metrics": [ { "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0" } } ], "references": [ { "name": "https://github.com/twigphp/Twig/security/advisories/GHSA-24x9-r6q4-q93w", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/twigphp/Twig/security/advisories/GHSA-24x9-r6q4-q93w" }, { "name": "https://github.com/twigphp/Twig/commit/1cde8f2b62463f85d47995fc25f8241cb409d915", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/twigphp/Twig/commit/1cde8f2b62463f85d47995fc25f8241cb409d915" }, { "name": "https://github.com/twigphp/Twig/releases/tag/v3.26.0", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/twigphp/Twig/releases/tag/v3.26.0" } ], "affected": [ { "vendor": "twigphp", "product": "Twig", "versions": [ { "version": ">= 3.9.0, < 3.26.0", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-14T21:19:17.804Z" }, "descriptions": [ { "lang": "en", "value": "Twig is a template language for PHP. From 3.9.0 until 3.26.0, template_from_string() compiles an inner template under a synthesized __string_template__ name that can fall outside a SourcePolicyInterface sandbox decision, allowing a sandboxed template that can call template_from_string and include to render an inner template without security policy enforcement. This issue is fixed in version 3.26.0." } ], "source": { "advisory": "GHSA-24x9-r6q4-q93w", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2026-46634", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2026-07-16T03:55:36.244422Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-29T18:26:17.523Z" } } ] } }