CVE-2026-6501: jOpenDocument has an improper restriction of XML external entity reference vulnerability

May 4, 2026 (updated May 8, 2026)

Improper restriction of XML external entity reference vulnerability in ILM Informatique jOpenDocument allows Data Serialization External Entities Blowup.

This issue affects jOpenDocument: 1.5.

References

github.com/advisories/GHSA-j9rh-p96m-mhhp
nvd.nist.gov/vuln/detail/CVE-2026-6501
www.jopendocument.org/documentation.html

Code Behaviors & Features

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