{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71291","assignerOrgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","state":"PUBLISHED","assignerShortName":"TuranSec","dateReserved":"2026-08-05T12:37:57.357Z","datePublished":"2026-08-05T12:38:41.070Z","dateUpdated":"2026-08-10T11:47:24.089Z"},"containers":{"cna":{"title":"Bolt CMS Server-Side Template Injection via Unsandboxed allow_twig Field Rendering","descriptions":[{"lang":"en","value":"Bolt CMS renders content field values through Twig's full application-level Environment with no SandboxExtension registered anywhere in the codebase. In src/Entity/Field.php, getTwigValue calls shouldBeRenderedAsTwig, which gates rendering only on the field definition's allow_twig flag and a regex checking for , , or ; when true, the raw field value is compiled and rendered via with no sandboxing.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Bolt CMS renders content field values through Twig's full application-level Environment with no SandboxExtension registered anywhere in the codebase. In src/Entity/Field.php, getTwigValue calls shouldBeRenderedAsTwig, which gates rendering only on the field definition's allow_twig flag and a regex checking for , , or ; when true, the raw field value is compiled and rendered via with no sandboxing.</p>"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-1336","cweId":"CWE-1336","type":"CWE"}]}],"affected":[{"vendor":"bolt","product":"core","programFiles":["src/Entity/Field.php","config/bolt/contenttypes.yaml"],"versions":[{"version":"0","lessThanOrEqual":"6.1","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"references":[{"url":"https://github.com/bolt/core","tags":["third-party-advisory"]},{"url":"https://github.com/bolt/core/blob/6.1/src/Entity/Field.php","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"Saidakbarxon Maxsudxonov","type":"finder"}],"providerMetadata":{"orgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","shortName":"TuranSec","dateUpdated":"2026-08-10T11:47:24.089Z"},"source":{"discovery":"EXTERNAL"},"datePublic":"2026-08-05T12:38:41.070Z"},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T15:46:43.858659Z","id":"CVE-2026-71291","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-05T15:47:35.805Z"}}]}}