CVE-2026-102495

UNKNOWN 0.0

Apache XMLSchema: Denial of service through unbounded recursion when resolving schema imports and includes

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Apache XmlSchema doesn't limit how deeply schema imports and includes can be nested, so a malicious schema can make parsing recurse until the stack overflows. This causes a denial of service. Users are recommended to upgrade to version 2.3.3, which fixes this issue.

Vendor	apache software foundation
Product	apache xmlschema
Published	Sep 29, 2026
Last Updated	Sep 29, 2026

Stay Ahead of the Next One

Get instant alerts for apache software foundation apache xmlschema

Be the first to know when new unknown vulnerabilities affecting apache software foundation apache xmlschema are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

Apache Software Foundation / Apache XMLSchema

0 < 2.3.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

lists.apache.org: https://lists.apache.org/thread/l339q3oldm0cd2lph4b6f93fd07x9g6s openwall.com: http://www.openwall.com/lists/oss-security/2026/09/29/15

Credits

This issue was found using Claude agents to study the security of open-source projects