# org.apache.opennlp:opennlp-core (Maven) vulnerabilities

1 known vulnerability (1 critical), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 3.0.0-M6 (Sep 12, 2026): no advisory affects it
- Newest unaffected release: Every release is affected by at least one advisory
- Dependents: 0
- Releases: 6 since 3.0.0-M1 (Feb 19, 2026)
- Registry: https://central.sonatype.com/artifact/org.apache.opennlp/opennlp-core
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-82617: 3.0.0-M1 to 3.0.0-M5 (3.0.0-M6 is outside it)

## Advisories (1)

### [CVE-2026-82617](https://cve.now/CVE-2026-82617): Apache OpenNLP, Apache OpenNLP: ReDoS / stack exhaustion in RegexNameFinderFactory built-in EMAIL and URL patterns

- Severity: Critical 10.0
- Published: Sep 11, 2026
- Affected: from 3.0.0-M1, fixed in 3.0.0-M6.
- Fixed in 3.0.0-M6 (released Sep 12, 2026, 1 day after disclosure).
- The latest release, 3.0.0-M6, is not affected.

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/maven/org.apache.opennlp:opennlp-core
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.
