CVE-2026-36762

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

An issue in the fileEntityId parameter in the /a/file/upload endpoint of JeeSite v5.15.1 allows authenticated attackers with file upload permissions to execute a path traversal and write arbitrary files with whitelisted suffixes to arbitrary filesystem locations.

Published 2026-04-30. Last modified 2026-06-17.