CVE-2026-3404 LOW

CVE-2026-3404: thinkgem JeeSite Endpoint CasOutHandler.java xml external entity reference

Vendor Thinkgem
Product JeeSite
Weakness CWE-611 · XXE
Published March 2, 2026
Last update March 2, 2026

CVSS base score

2.3/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

Description

A flaw has been found in thinkgem JeeSite up to 5.15.1. Impacted is an unknown function of the file /com/jeesite/common/shiro/cas/CasOutHandler.java of the component Endpoint. Executing a manipulation can lead to xml external entity reference. The attack may be performed from remote. Attacks of this nature are highly complex. The exploitability is considered difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

Disclosure timeline

March 2, 2026 CVE published
March 2, 2026 Record updated