Vulnerability Description
In Eclipse RDF4J, several XML parser entry points do not fully restrict XML External Entity (XXE) processing when parsing untrusted XML-based RDF data or query results, permitting DOCTYPE declarations, external entity references, and external DTD loading. This is due to an incomplete fix for CVE-2018-1000644: the earlier fix did not cover all parser entry points. The issue is resolved in RDF4J 5.3.2, which rejects or disables DOCTYPE declarations, external entities, and external DTD loading by default.
Related Weaknesses (CWE)
References
- https://gitlab.eclipse.org/security/cve-assignment/-/work_items/175
- https://rdf4j.org/release-notes/5.3.2/
FAQ
What is CVE-2026-15803?
CVE-2026-15803 is a documented vulnerability. In Eclipse RDF4J, several XML parser entry points do not fully restrict XML External Entity (XXE) processing when parsing untrusted XML-based RDF data or query results, permitting DOCTYPE declarations...
How severe is CVE-2026-15803?
CVSS scoring is not yet available for CVE-2026-15803. Check NVD for updates.
Is there a patch for CVE-2026-15803?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.