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CVE-2026-41870 Details

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/ .

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://www.openwall.com/lists/oss-security/2026/09/08/4	CVE	Mailing ListThird Party Advisory
https://lists.apache.org/thread/3pl59g0jzqx1bdh5w92qoftzn7c3x8j2	[email protected]	Mailing ListVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-470	Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')	[email protected]
CWE-862	Missing Authorization	[email protected]
CWE-913	Improper Control of Dynamically-Managed Code Resources	[email protected]
CWE-94	Improper Control of Generation of Code ('Code Injection')	[email protected]

Affected Products

Product	Versions
apache nutch	>= 1.11, < 1.23
CPE cpe:2.3:a:apache:nutch:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Sep 11, 2026	Initial Analysis	[email protected]
Sep 10, 2026	CVE Modified	CISA-ADP
Sep 9, 2026	CVE Modified	CVE
Sep 9, 2026	New CVE Received	[email protected]