CVE-2026-92987
roxmltree through 0.21.1 performs quadratic-time attribute and namespace validation during XML parsing without limits on attribute count. Attackers can craft XML documents with tens of thousands of attributes on a single element to consume excessive CPU time and cause denial of service.
- Published Sep 17, 2026
- CVSS 8.7 high
- 0.6% chance of exploitation in the next 30 days (EPSS)