Vulnerability intelligence
CVE-2026-41871
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 Score
—
Unrated
EPSS — Exploit Probability
0.7%
Riskier than 54% of all CVEs · checked 2026-10-23
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
Unconfirmed
Check vendor advisories
1 article across 1 outlet · first covered Sep 9, 2026 · latest Sep 9, 2026
Coverage timeline
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CVE-2026-41870: Unauthenticated RCE in Apache Nutchsecurityonline.info · Sep 9, 2026