CVE-2026-71291

HighCVSS 8.8/10Last modified Oct 23, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-1336

Affected software

No affected versions have been published.

Timeline

Published: Aug 5, 2026
Last modified: Oct 23, 2026
NVD status: Deferred

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