High severity8.8NVD Advisory· Published Aug 5, 2026· Updated Aug 26, 2026
CVE-2026-71291
CVE-2026-71291
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
1News mentions
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