CVE-2026-3404

MEDIUM 5.0

thinkgem JeeSite Endpoint CasOutHandler.java xml external entity reference

CVSS Score

5.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-611 CWE-610
Vendor	thinkgem
Product	jeesite
Published	Mar 2, 2026
Last Updated	Mar 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

thinkgem / JeeSite

5.15.0 5.15.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.348299 vuldb.com: https://vuldb.com/?ctiid.348299 vuldb.com: https://vuldb.com/?submit.763732 yuque.com: https://www.yuque.com/la12138/pa2fpb/ew8x2qss8dv0bsu0?singleDoc

Credits

🔍 Saul1213 (VulDB User) VulDB