Vulnerability · Published May 4, 2026 · Assigned by TCS-CERT
CVE-2026-6501
Medium 5.3
In plain English
A medium-severity XML external entity in jOpenDocument from ILM Informatique. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 4.0)5.3Medium
Exploit odds (30 days)0.2%top 85.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jopendocument:jOpenDocument | no fix listed | GHSA-j9rh-p96m-mhhp |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ILM Informatique | jOpenDocument | 1.5 |
Weakness: CWE-611 · 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