CVE-2026-41871

published 2026-09-09

CVE-2026-41871: Missing Authorization, Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache Nutch Server (Nutch REST…

Priority P2 61 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

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/ .

Affected

2 ranges

Vendor	Product	Version range	Fixed in
apache	nutch	>= 1.10 < 1.23	1.23
apache_software_foundation	apache_nutch	1.10 – 1.22	—

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