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TI-2026-02939 Aliases CVE-2026-3404GHSA-7p6h-h74m-fpv3

thinkgem JeeSite Endpoint CasOutHandler.java xml external entity reference

Priority MEDIUM 45CWE-610Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00398 34th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
thinkgemJeeSite5.15.0; 5.15.1—No fix listedCNA
  • JeeSite Vendorthinkgem Affected 5.15.0; 5.15.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jeesite:jeesite:*:*:*:*:*:*:*:*up to 5.15.1Vulnerablethinkgem
  • cpe:2.3:a:jeesite:jeesite:*:*:*:*:*:*:*:* Versions up to 5.15.1 Vulnerable ·thinkgem

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3404
  2. 2026-10-03 Alias added: GHSA-7p6h-h74m-fpv3

References

Exploit 1

  • TI-2023-17334 Jeesite before commit 10742d3 was discovered to contain a SQL injection vulnerability via… CVSS 3.1CRITICAL 9.8
  • TI-2023-20231 An issue in the delete function in the ActModelController class of jeesite v1.2.6 allows… CVSS 3.1MEDIUM 5.4
  • TI-2025-07188 thinkgem JeeSite FileUploadController.java upload unrestricted upload CVSS 4.0MEDIUM 5.3
  • TI-2025-07110 thinkgem JeeSite SsoController.java sso redirect CVSS 4.0MEDIUM 5.3
  • TI-2025-07088 thinkgem JeeSite Site Controller SiteController.java select redirect CVSS 4.0MEDIUM 5.3
  • TI-2025-07084 thinkgem JeeSite UEditor Image Grabber ActionEnter.java server-side request forgery CVSS 4.0MEDIUM 5.3
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences