CVE-2026-61899: Apache Tapestry

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Vulnerability in tapestry-core in Apache Tapestry 5.5.0+ on all platforms allows attackers to download clsspath assets via specially crafted URLs. Users are recommended to upgrade to version 5.9.1, which fixes this issue.

Affected products

• Apache Tapestry: from 5.5.0, before 5.9.1 (fixed in 5.9.1)

Published 2026-08-10. Last modified 2026-08-18.