CVE-2026-41870
UnknownSummary
Missing Authorization, Improper Control of Generation of Code ('Code Injection'), Improper Control of Dynamically-Managed Code Resources, and Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache Nutch Server (Nutch REST API). This affects versions from 1.11 through 1.22.
Risk Assessment
An attacker can inject malicious code or perform unauthorized operations, potentially leading to full system compromise.
Recommendation
Upgrade to version 1.23, which removes the Nutch Server. If upgrade is not possible, restrict access to trusted users only.
Other vulnerabilities in Apache Nutch
See all- CVE-2026-41871Unknown
Missing Authorization and Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache Nutch Server (Nutch REST API). This affects versions from 1.10 through 1.22.
- CVE-2026-41869Unknown
Missing Authorization and Improper Resource Shutdown and Job Interruption vulnerability in Apache Nutch Server (Nutch REST API). This affects versions from 1.10 through 1.22.
Original NVD description (English source)
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 https://nutch.apache.org/documentation/security/ .