CVE-2026-41870: Apache Nutch: Unauthenticated remote code execution (RCE) via JEXL injection in Nutch Server (Nutch REST API)
Apache fixed CVE-2026-41870, a critical unauthenticated RCE via JEXL injection in Nutch Server's REST API affecting versions 1.11-1.22.
CVE-2026-41870 describes a critical Missing Authorization and Code Injection vulnerability in Apache Nutch Server (the Nutch REST API), enabling unauthenticated remote code execution via JEXL injection. Affected versions are Apache Nutch 1.11 through 1.22. Users are recommended to upgrade to version 1.23, which removes the Nutch Server; users who cannot upgrade must apply mitigations.