{"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"}}]}}