# CVE-2026-41871

## Summary

- **CVE ID:** CVE-2026-41871
- **Severity:** UNKNOWN
- **CVSS Score:** 0
- **CWE:** CWE-862, CWE-470
- **Published:** Sep 9, 2026
- **Last Modified:** Sep 9, 2026

## Description

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 Products

- Apache Software Foundation — Apache Nutch (1.10)

## References

- [CNA](https://lists.apache.org/thread/rbr63fx8vlrhzrfknq2l0mg0d0blsl54)
- [CVE](http://www.openwall.com/lists/oss-security/2026/09/08/5)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-09._