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Apache OpenNLP DictionaryEntryPersistor Vulnerable to XML External Entity (XXE) via Unsanitized Dictionary Parsing
Apache OpenNLP DictionaryEntryPersistor Vulnerable to XML External Entity (XXE) via Unsanitized Dictionary Parsing
Affected packages
- org.apache.opennlp:opennlp-tools— before 2.5.9
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://nvd.nist.gov/vuln/detail/CVE-2026-40682
- https://github.com/apache/opennlp
- https://lists.apache.org/thread/r6jpt0qr9nj67gqhppqg7jxf8vsbo0w6
- http://www.openwall.com/lists/oss-security/2026/05/01/19
Structured record: https://osv.dev/vulnerability/GHSA-4v8g-86x5-3vrc
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