CVE-2026-3404

MEDIUM

jeesite < 5.15.1 - XML External Entity Injection in CasOutHandler Endpoint

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Permissions Required, VDB Entry vdb-entry
https://vuldb.com/?id.348299
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.348299
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.763732

Scores

CVSS v3 5.0
EPSS 0.0035
EPSS Percentile 26.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-610 CWE-611
Status published
Products (1)
jeesite/jeesite < 5.15.1
Published Mar 02, 2026
Tracked Since Mar 02, 2026