Apache Nutch vulnerabilities

5 CVEs affecting Apache Nutch, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-41871, published 2026-09-09.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2016-6809, published 2017-04-06. Critical severity, CVSS 9.8. EPSS: 8% chance of exploitation in the next 30 days. 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.
CVE-2021-23901, published 2021-01-25. Critical severity, CVSS 9.1. EPSS: 4.4% chance of exploitation in the next 30 days. 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…
CVE-2026-41871, published 2026-09-09. Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days. 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:…
CVE-2026-41869, published 2026-09-09. Critical severity, CVSS 9.1. EPSS: 0.7% chance of exploitation in the next 30 days. 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…
CVE-2026-41870, published 2026-09-09. High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days. 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…