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CVE-2026-6501VulnerabilityPublished Updated

Org.jopendocument:jOpenDocument: jOpenDocument has an improper restriction of XML external entity reference

Affects org.jopendocument:jOpenDocumentSource GCVE Database

0
Authoritative record:CVE-2026-6501· Medium 5.3

Not known to be exploited · CVSS 5.3 Medium.

Data as of 27 Oct 2026, 00:07 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Mavenorg.jopendocument:jOpenDocumentAffected
  • <=1.3
Fixed in–

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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.

References

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