{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-48806", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-22T20:57:10.975Z", "datePublished": "2026-07-14T21:28:08.781Z", "dateUpdated": "2026-07-15T12:47:14.623Z" }, "containers": { "cna": { "title": "Twig: Sandbox `__toString()` policy bypass via dynamic mapping keys", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-693", "lang": "en", "description": "CWE-693: Protection Mechanism Failure", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE" } ] } ], "metrics": [ { "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N", "version": "4.0" } } ], "references": [ { "name": "https://github.com/twigphp/Twig/security/advisories/GHSA-5v5v-ww74-355v", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/twigphp/Twig/security/advisories/GHSA-5v5v-ww74-355v" }, { "name": "https://github.com/twigphp/Twig/commit/9ff41014639ef0e8eb50ac7669191c309d863105", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/twigphp/Twig/commit/9ff41014639ef0e8eb50ac7669191c309d863105" }, { "name": "https://github.com/twigphp/Twig/releases/tag/v3.27.0", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/twigphp/Twig/releases/tag/v3.27.0" } ], "affected": [ { "vendor": "twigphp", "product": "Twig", "versions": [ { "version": "< 3.27.0", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-14T21:28:08.781Z" }, "descriptions": [ { "lang": "en", "value": "Twig is a template language for PHP. Prior to 3.27.0, ArrayExpression does not guard dynamic mapping keys that are coerced to strings, allowing PHP to invoke __toString() on a Stringable object used as a mapping key without calling SandboxExtension::ensureToStringAllowed(). This issue is fixed in version 3.27.0." } ], "source": { "advisory": "GHSA-5v5v-ww74-355v", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-07-15T12:47:04.147602Z", "id": "CVE-2026-48806", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-15T12:47:14.623Z" } } ] } }