CVE-2026-6501

Improper Restriction of XML External Entity in jOpenDocument Leads to Data Serialization Blowup

Published May 4, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Improper restriction of XML external entity reference vulnerability in ILM Informatique jOpenDocument allows Data Serialization External Entities Blowup.

This issue affects jOpenDocument: 1.5.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-j9rh-p96m-mhhp jOpenDocument has an improper restriction of XML external entity reference vulnerability
History
Type Values Removed Values Added
First Time appeared Ilm Informatique
Ilm Informatique jopendocument
Vendors & Products Ilm Informatique
Ilm Informatique jopendocument
Type Values Removed Values Added
Title Improper Restriction of XML External Entity in jOpenDocument Leads to Data Serialization Blowup
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper restriction of XML external entity reference vulnerability in ILM Informatique jOpenDocument allows Data Serialization External Entities Blowup. This issue affects jOpenDocument: 1.5.
Weaknesses CWE-611
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TCS-CERT
Published
Updated
May 4, 2026, 3:32 PM
Reserved
Apr 17, 2026, 9:34 AM
Status
Deferred
Published
May 4, 2026, 3:16 PM
Modified
Oct 26, 2026, 7:10 PM