Severity: critical
Affected versions:
- Apache Nutch 1.11 through 1.22
Description:
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/ .
This issue is being tracked as NUTCH-3165 NUTCH-3168
Credit:
The Apache Nutch Project Management Committee would like to thank Th1nk for
reporting this issue. (reporter)
References:
https://nutch.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-41870
https://issues.apache.org/jira/browse/NUTCH-3165
https://issues.apache.org/jira/browse/NUTCH-3168
