CVE-2026-41871 — Apache Nutch: Unauthenticated reflection-based job execution in Nutch Server (Nutch REST API)

Description (CNA)

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 (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Nutch	affected 1.10 through 1.22

CWE

CWE-862, CWE-470

References

https://lists.apache.org/thread/rbr63fx8vlrhzrfknq2l0mg0d0blsl54

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/09/08/5

CISA-ADP

No English description supplied.

No references supplied.