Apache Nutch: Unauthenticated reflection-based job execution in Nutch Server (Nutch REST API)
Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.
cve-program · CVE-2026-41871
PublishedMissing Authorization, 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 1.10 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/ .
Read the publisher's advisoryAffected versions, risk and source history
cve-program · CVE-2026-41871
PublishedApache Nutch: Unauthenticated reflection-based job execution in Nutch Server (Nutch REST API)
Missing Authorization, 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 1.10 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/ .
- Source published
- 9 Sep 2026 10:45:47 UTC
- Source modified
- 10 Sep 2026 17:56:50 UTC
- Saved here
- 23 Oct 2026 15:48:27 UTC
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