9.8

CVE-2026-41871

Apache Nutch: Unauthenticated reflection-based job execution in Nutch Server (Nutch REST API)

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/ .
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apache ≫ Nutch Version >= 1.10 < 1.23
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.78% 0.538
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-470 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

The product uses external input with reflection to select which classes or code to use, but it does not sufficiently prevent the input from selecting improper classes or code.

CWE-862 Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

https://lists.apache.org/thread/rbr63fx8vlrhzrfknq2l0mg0d0blsl54
Vendor Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2026/09/08/5
Third Party Advisory
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