Advisory [CVE-2026-41870] Missing Authorization, Improper Control of Generation of Code ('Code Injection'), Improper Control of Dynamically-Managed Code Resources, Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache Nutch Server (Nutch REST API)
This security Apache Software Foundation advisory covers CVE-2026-41870 affecting Apache Nutch Server.
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Summary
Missing Authorization, Improper Control of Generation of Code ('Code Injection'), Improper Control of Dynamically-Managed Code Resources, Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache Nutch Server (Nutch REST API).
This issue affects Apache Nutch: from 1.11 through 1.22.
Users are recommended to upgrade to version 1.23, which removes the Nutch Server. If an upgrade is not possible, user must restrict access to instances running the Nutch Service to trusted users only.
Please, also visit the Apache Nutch security advisories.
- 1.11 through 1.22.
- through 1.22
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 1.23, which removes the Nutch Server.
- If an upgrade is not possible, user must restrict access to instances running the Nutch Service to trusted users only.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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