CVE-2026-36762

Description

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.

References

• https://github.com/thinkgem/jeesite
• https://github.com/thinkgem/jeesite/issues/529