CVE-2026-3404

MEDIUM
2026-03-02 [email protected]
5.0
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Mar 09, 2026 - 16:52 vuln.today
Public exploit code
CVE Published
Mar 02, 2026 - 02:16 nvd
MEDIUM 5.0

Tags

Java XXE Jeesite

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.

Analysis

Jeesite versions up to 5.15.1. contains a vulnerability that allows attackers to xml external entity reference (CVSS 5.0).

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Remediation

Within 30 days: Identify affected systems running thinkgem JeeSite and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

45
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +25
POC: +20

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CVE-2026-3404 vulnerability details – vuln.today
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