Improper Neutralization of Special Elements Used in a Template Engine Affecting bolt/core package, versions >=0.0.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-BOLTCORE-19428477
- published29 Aug 2026
- disclosed5 Aug 2026
- creditUnknown
Introduced: 5 Aug 2026
CVE-2026-71291 (opens in a new tab)How to fix?
There is no fixed version for bolt/core.
Overview
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements Used in a Template Engine in the getTwigValue process. An attacker can execute arbitrary code by injecting malicious Twig templates into content fields that are rendered without sandboxing. This is only exploitable if the allow_twig flag is enabled on a content field and the attacker has edit access to that content type.