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CVE-2026-41870

Apache Nutch: Unauthenticated remote code execution (RCE) via JEXL injection in Nutch Server (Nutch REST API)

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/ .

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Nutch
CVE-2026-41869

Apache Nutch: Unauthenticated forced shutdown and job interruption in Nutch Server (Nutch REST API)

Missing Authorization, Improper Resource Shutdown and Job Interruption 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/ .

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Nutch
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/ .

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Nutch
CVE-2016-6809

tika: Native deserialization of Java objects in matlab files

Apache Tika before 1.14 allows Java code execution for serialized objects embedded in MATLAB files. The issue exists because Tika invokes JMatIO to do native deserialization.

CVSS 3.1 · 9.8 Critical EPSS 8.0% KEV · Not listed
Vendors
Apache
Products
Nutch Tika
CVE-2021-23901

An XML external entity (XXE) injection vulnerability exists in the Nutch DmozParser

An XML external entity (XXE) injection vulnerability was discovered in the Nutch DmozParser and is known to affect Nutch versions < 1.18. XML external entity injection (also known as XXE) is a web security vulnerability that allows an attacker to interfere with an application's processing of XML data. It often allows an attacker to view files on the application server filesystem, and to interact with any back-end or external systems that the application itself can access. This issue is fixed in Apache Nutch 1.18.

CVSS 3.1 · 9.1 Critical EPSS 4.4% KEV · Not listed
Vendors
Apache Netapp
Products
Nutch Snap Creator Framework