Path Traversal Vulnerability in JeeSite by ThinkGem
CVE-2026-36762

8.8HIGH

Key Information:

Vendor

ThinkGem

Status
JeeSite
Vendor
CVE Published:
30 April 2026

What is CVE-2026-36762?

An exposed vulnerability exists in JeeSite v5.15.1 within the fileEntityId parameter of the /a/file/upload endpoint. Authenticated users with file upload permissions can leverage this issue to perform path traversal attacks. This allows them to write arbitrary files with permitted suffixes to unauthorized locations on the filesystem, potentially leading to further exploitation of the server.

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.