Home/CVE/A flaw has been found in thinkgem JeeSite up to 5.15.1. Impacted is an unknown function of the file /com/jeesite/common/
CVE

CVE-2026-3404

A flaw has been found in thinkgem JeeSite up to 5.15.1. Impacted is an unknown function of the file /com/jeesite/common/

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.

MEDIUM · CVSS 5 EPSS 0.00044
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0

Scoring & Timeline

5
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Mar 2026 · 02:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/?ctiid.348299Permissions RequiredVDB Entry
https://vuldb.com/?id.348299Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.763732Third Party AdvisoryVDB Entry
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