CVE-2026-104120 (GCVE-0-2026-104120)
Vulnerability from cvelistv5
Published
2026-10-02 02:15
Modified
2026-10-06 02:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-918 - Server-Side Request Forgery
Summary
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.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| modelcontextprotocol | mcp-server-fetch |
Version: 2026.6.0 Version: 2026.6.1 Version: 2026.6.2 Version: 2026.6.3 Version: 2026.6.4 cpe:2.3:a:modelcontextprotocol:mcp-server-fetch:*:*:*:*:*:*:*:* |
|||||||
|
|||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-104120",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-06T02:27:41.354000Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-06T02:27:50.199Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"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"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "geochen (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"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"
}
},
{
"cvssV3_1": {
"baseScore": 7.3,
"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",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 7.5,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-918",
"description": "Server-Side Request Forgery",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-02T02:15:18.514Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"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": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/modelcontextprotocol/servers/issues/4492"
},
{
"tags": [
"issue-tracking",
"patch"
],
"url": "https://github.com/modelcontextprotocol/servers/pull/4890"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-10-01T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"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": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"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"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-104120\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-06T02:27:41.354000Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-06T02:27:46.408Z\"}}], \"cna\": {\"title\": \"modelcontextprotocol mcp-server-fetch/mcp-server-everything Fetch Tool server.py fetch_url server-side request forgery\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"geochen (VulDB User)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"VulDB CNA Team\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"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\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 7.3, \"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\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 7.3, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 7.5, \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C\"}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:modelcontextprotocol:mcp-server-fetch:*:*:*:*:*:*:*:*\"], \"vendor\": \"modelcontextprotocol\", \"modules\": [\"Fetch Tool\"], \"product\": \"mcp-server-fetch\", \"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:*:*:*:*:*:*:*:*\"], \"vendor\": \"modelcontextprotocol\", \"modules\": [\"Fetch Tool\"], \"product\": \"mcp-server-everything\", \"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\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-10-01T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"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\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/412764\", \"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/cti\", \"name\": \"VDB-412764 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/cve/CVE-2026-104120\", \"name\": \"CVE-2026-104120 | CVE Analysis and Report\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/960099\", \"name\": \"Submit #960099 | https://github.com/modelcontextprotocol/ servers 2026.6.4 Server-Side Request Forgery\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/modelcontextprotocol/servers/issues/4492\", \"tags\": [\"exploit\", \"issue-tracking\"]}, {\"url\": \"https://github.com/modelcontextprotocol/servers/pull/4890\", \"tags\": [\"issue-tracking\", \"patch\"]}], \"x_generator\": [\"VulDB PVTS v202610\"], \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-918\", \"description\": \"Server-Side Request Forgery\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-10-02T02:15:18.514Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-104120\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-06T02:27:50.199Z\", \"dateReserved\": \"2026-10-01T18:15:10.419Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-10-02T02:15:18.514Z\", \"assignerShortName\": \"VulDB\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…