CVE-2026-3404 (GCVE-0-2026-3404)
Vulnerability from cvelistv5 – Published: 2026-03-02 01:32 – Updated: 2026-03-02 01:32
VLAI?
Title
thinkgem JeeSite Endpoint CasOutHandler.java xml external entity reference
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.
Severity ?
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
Credits
Saul1213 (VulDB User)
VulDB
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:jeesite:jeesite:*:*:*:*:*:*:*:*"
],
"modules": [
"Endpoint"
],
"product": "JeeSite",
"vendor": "thinkgem",
"versions": [
{
"status": "affected",
"version": "5.15.0"
},
{
"status": "affected",
"version": "5.15.1"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Saul1213 (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB"
}
],
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{
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"value": "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."
}
],
"metrics": [
{
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"baseSeverity": "LOW",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
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"baseSeverity": "MEDIUM",
"vectorString": "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",
"version": "3.1"
}
},
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],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-611",
"description": "XML External Entity Reference",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-610",
"description": "Externally Controlled Reference",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-02T01:32:10.428Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-348299 | thinkgem JeeSite Endpoint CasOutHandler.java xml external entity reference",
"tags": [
"vdb-entry"
],
"url": "https://vuldb.com/?id.348299"
},
{
"name": "VDB-348299 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.348299"
},
{
"name": "Submit #763732 | Jeesite v5.15.1 XXE",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.763732"
},
{
"tags": [
"exploit"
],
"url": "https://www.yuque.com/la12138/pa2fpb/ew8x2qss8dv0bsu0?singleDoc"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-03-01T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-03-01T01:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-03-01T08:00:26.000Z",
"value": "VulDB entry last update"
}
],
"title": "thinkgem JeeSite Endpoint CasOutHandler.java xml external entity reference"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-3404",
"datePublished": "2026-03-02T01:32:10.428Z",
"dateReserved": "2026-03-01T06:55:17.609Z",
"dateUpdated": "2026-03-02T01:32:10.428Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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