Home/CVE/Improper restriction of XML external entity reference vulnerability in ILM Informatique jOpenDocument allows Data Serial
CVE

CVE-2026-6501

Improper restriction of XML external entity reference vulnerability in ILM Informatique jOpenDocument allows Data Serial

Improper restriction of XML external entity reference vulnerability in ILM Informatique jOpenDocument allows Data Serialization External Entities Blowup. This issue affects jOpenDocument: 1.5.

EPSS 0.00063
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
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Weakness Classification

CWE-611Improper Restriction of XML External Entity Reference
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.jopendocument:jOpenDocument MODERATE
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Scoring & Timeline

Published to NVD04 May 2026 · 03:16 PM
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.jopendocument.org/documentation.html
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