CVE-2026-41870

High

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/ .

SeverityHigh

CVSS8.8

Exploit probability—

Product

Apache Nutch

PublishedSep 9, 2026

First seenSep 9, 2026

Weakness typeCWE-862Missing authorization CWE-94Code injection CWE-913CWE-913 CWE-470CWE-470

How to fix

Update

apache nutch1.23 or later

Vendor advisories

lists.apache.org/thread/3pl59g0jzqx1bdh5w92qoftzn7c3x8j2

Affected products

Product	Affected versions	Fixed in
apache nutch	1.11 ≤ v < 1.23	1.23

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.