PatchTheCVExmlschema vulnerabilities and fixes
Recent CVEs affecting xmlschema, with upgrade or downgrade steps. 3 tracked.
xmlschema has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-09-29. Highest priority: CVE-2026-102495 (score 47/100).
- CVE-2026-102495 HIGH 7.5 UPGRADE Apache XmlSchema doesn't limit how deeply schema imports and includes can be nested, so a malicious schema can
- CVE-2026-102496 HIGH 7.5 UPGRADE Apache XmlSchema doesn't limit how deeply schema structures can be nested when it builds its schema model, so
- CVE-2026-102497 HIGH 7.5 UPGRADE The Apache XmlSchema walker (xmlschema-walker) doesn't detect cycles in type derivation, substitution groups,
FAQ
How do I fix xmlschema vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is xmlschema being exploited right now?
None of the tracked xmlschema CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which xmlschema CVE should I patch first?
CVE-2026-102495 currently ranks highest (47/100): Apache XmlSchema doesn't limit how deeply schema imports and includes can be nested, so a malicious schema can.