PatchTheCVEopennlp vulnerabilities and fixes
Recent CVEs affecting opennlp, with upgrade or downgrade steps. 1 tracked.
opennlp has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-07-24. Highest priority: CVE-2026-63317 (score 44/100).
- CVE-2026-63317 MEDIUM 5.6 UPGRADE Arbitrary Class Instantiation via XML Feature Generator Descriptor and Format Name in Apache OpenNLP Versions
FAQ
How do I fix opennlp vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is opennlp being exploited right now?
None of the tracked opennlp CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which opennlp CVE should I patch first?
CVE-2026-63317 currently ranks highest (44/100): Arbitrary Class Instantiation via XML Feature Generator Descriptor and Format Name in Apache OpenNLP Versions.