Linux · Debian · Security advisory · May 15, 2026

DEBIAN-CVE-2026-42027: apache-opennlp security update

DEBIAN-CVE-2026-42027, released May 15, 2026, fixes 1 CVE in apache-opennlp (version 2.5.9-1). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
1
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0071
53rd percentile

Fixed package versions

ProductReleaseFixed in
apache-opennlpDebian 142.5.9-1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Urgent CVE-2026-42027 apache-opennlp: Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 1.9...9.8 0.0071 None reported
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