CVE-2026-3404thinkgem JeeSite Endpoint CasOutHandler.java xml external entity reference
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.0 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-611, CWE-610
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Mar 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
thinkgem JeeSite jeesite:jeesite | 5.15.0; 5.15.1 | CNA record |
jeesite jeesite jeesite:jeesite | through 5.15.1 | NVD |
References
- https://vuldb.com/?id.348299vdb-entry, third-party-advisory
- https://vuldb.com/?ctiid.348299signature, permissions-required, vdb-entry
- https://vuldb.com/?submit.763732third-party-advisory, vdb-entry
- https://www.yuque.com/la12138/pa2fpb/ew8x2qss8dv0bsu0?singleDocexploit, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.