Exploitation evidence
Not listed in the latest downloaded CISA KEV catalog. This does not establish an absence of exploitation.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
modelcontextprotocol / mcp-server-fetch
Default status: Not specified
- affected: 2026.6.0
- affected: 2026.6.1
- affected: 2026.6.2
- affected: 2026.6.3
- affected: 2026.6.4
modelcontextprotocol / mcp-server-everything
Default status: Not specified
- affected: 2026.6.0
- affected: 2026.6.1
- affected: 2026.6.2
- affected: 2026.6.3
- affected: 2026.6.4
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://vuldb.com/vuln/412764
- https://vuldb.com/vuln/412764/cti
- https://vuldb.com/cve/CVE-2026-104120
- https://vuldb.com/submit/960099
- https://github.com/modelcontextprotocol/servers/issues/4492
- https://github.com/modelcontextprotocol/servers/pull/4890
Monitored source mentions
Shared CVE identifiers link source mentions; they do not establish that the reports describe the same incident.
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.00288,
"percentile": 0.21623
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.00288,
"percentile": 0.21542
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.00288,
"percentile": 0.21498
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.00288,
"percentile": 0.21488
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.00288,
"percentile": 0.21472
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.00288,
"percentile": 0.21458
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.00288,
"percentile": 0.21472
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.00288,
"percentile": 0.21484
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.00288,
"percentile": 0.21427
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.00288,
"percentile": 0.21385
}03 Nov 2026, 02:22 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-104120",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
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"role": "CISA Coordinator",
"timestamp": "2026-10-06T02:27:41.354000Z",
"version": "2.0.3"
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"providerMetadata": {
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"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:modelcontextprotocol:mcp-server-fetch:*:*:*:*:*:*:*:*"
],
"modules": [
"Fetch Tool"
],
"product": "mcp-server-fetch",
"vendor": "modelcontextprotocol",
"versions": [
{
"status": "affected",
"version": "2026.6.0"
},
{
"status": "affected",
"version": "2026.6.1"
},
{
"status": "affected",
"version": "2026.6.2"
},
{
"status": "affected",
"version": "2026.6.3"
},
{
"status": "affected",
"version": "2026.6.4"
}
]
},
{
"cpes": [
"cpe:2.3:a:modelcontextprotocol:mcp-server-everything:*:*:*:*:*:*:*:*"
],
"modules": [
"Fetch Tool"
],
"product": "mcp-server-everything",
"vendor": "modelcontextprotocol",
"versions": [
{
"status": "affected",
"version": "2026.6.0"
},
{
"status": "affected",
"version": "2026.6.1"
},
{
"status": "affected",
"version": "2026.6.2"
},
{
"status": "affected",
"version": "2026.6.3"
},
{
"status": "affected",
"version": "2026.6.4"
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]
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],
"credits": [
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"value": "geochen (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
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"descriptions": [
{
"lang": "en",
"value": "A security vulnerability has been detected in modelcontextprotocol mcp-server-fetch and mcp-server-everything up to 2026.6.4. Affected is the function fetch_url of the file mcp_server_fetch/server.py of the component Fetch Tool. The manipulation of the argument url/path leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
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},
{
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C",
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},
{
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},
{
"cvssV2_0": {
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],
"problemTypes": [
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"descriptions": [
{
"cweId": "CWE-918",
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"providerMetadata": {
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"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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"references": [
{
"name": "VDB-412764 | modelcontextprotocol mcp-server-fetch/mcp-server-everything Fetch Tool server.py fetch_url server-side request forgery",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/412764"
},
{
"name": "VDB-412764 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/412764/cti"
},
{
"name": "CVE-2026-104120 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-104120"
},
{
"name": "Submit #960099 | https://github.com/modelcontextprotocol/ servers 2026.6.4 Server-Side Request Forgery",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/960099"
},
{
"tags": [
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],
"url": "https://github.com/modelcontextprotocol/servers/issues/4492"
},
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"timeline": [
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"time": "2026-10-01T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
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"time": "2026-10-01T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-10-01T20:20:15.000Z",
"value": "VulDB entry last update"
}
],
"title": "modelcontextprotocol mcp-server-fetch/mcp-server-everything Fetch Tool server.py fetch_url server-side request forgery",
"x_generator": [
"VulDB PVTS v202610"
]
}
},
"cveMetadata": {
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"assignerShortName": "VulDB",
"cveId": "CVE-2026-104120",
"datePublished": "2026-10-02T02:15:18.514Z",
"dateReserved": "2026-10-01T18:15:10.419Z",
"dateUpdated": "2026-10-06T02:27:50.199Z",
"state": "PUBLISHED"
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}