CVE-2025-6514 (GCVE-0-2025-6514)
Vulnerability from cvelistv5 – Published: 2025-07-09 12:41 – Updated: 2025-07-09 13:06
VLAI
EPSS
VEX
Title
OS command injection in mcp-remote when connecting to untrusted MCP servers
Summary
mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL
Severity
9.6 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-09 13:05 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://research.jfrog.com/vulnerabilities/mcp-re… | third-party-advisory |
| https://github.com/geelen/mcp-remote/commit/607b2… | patch |
| https://jfrog.com/blog/2025-6514-critical-mcp-rem… | technical-description |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-6514",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-07-09T13:05:52.266929Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-07-09T13:06:05.402Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://registry.npmjs.org",
"defaultStatus": "unaffected",
"packageName": "mcp-remote",
"versions": [
{
"lessThanOrEqual": "0.1.15",
"status": "affected",
"version": "0.0.5",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003emcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL\u003c/p\u003e"
}
],
"value": "mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-78",
"description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-07-09T12:41:44.921Z",
"orgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
"shortName": "JFROG"
},
"references": [
{
"tags": [
"third-party-advisory"
],
"url": "https://research.jfrog.com/vulnerabilities/mcp-remote-command-injection-rce-jfsa-2025-001290844/"
},
{
"tags": [
"patch"
],
"url": "https://github.com/geelen/mcp-remote/commit/607b226a356cb61a239ffaba2fb3db1c9dea4bac"
},
{
"tags": [
"technical-description"
],
"url": "https://jfrog.com/blog/2025-6514-critical-mcp-remote-rce-vulnerability"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "OS command injection in mcp-remote when connecting to untrusted MCP servers"
}
},
"cveMetadata": {
"assignerOrgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
"assignerShortName": "JFROG",
"cveId": "CVE-2025-6514",
"datePublished": "2025-07-09T12:41:44.921Z",
"dateReserved": "2025-06-23T09:47:58.352Z",
"dateUpdated": "2025-07-09T13:06:05.402Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-6514",
"date": "2026-09-17",
"epss": "0.77866",
"percentile": "0.99547"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"collectionURL": "https://registry.npmjs.org",
"defaultStatus": "unaffected",
"packageName": "mcp-remote",
"versions": [
{
"lessThanOrEqual": "0.1.15",
"status": "affected",
"version": "0.0.5",
"versionType": "semver"
}
]
}
],
"source": "reefs@jfrog.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL"
},
{
"lang": "es",
"value": "mcp-remote est\u00e1 expuesto a la inyecci\u00f3n de comandos del sistema operativo cuando se conecta a servidores MCP no confiables debido a una entrada manipulada desde la URL de respuesta de autorizaci\u00f3n_endpoint"
}
],
"id": "CVE-2025-6514",
"lastModified": "2026-06-17T10:02:03.283",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 6.0,
"source": "reefs@jfrog.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-6514",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-07-09T13:05:52.266929Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-07-09T13:15:24.213",
"references": [
{
"source": "reefs@jfrog.com",
"url": "https://github.com/geelen/mcp-remote/commit/607b226a356cb61a239ffaba2fb3db1c9dea4bac"
},
{
"source": "reefs@jfrog.com",
"url": "https://jfrog.com/blog/2025-6514-critical-mcp-remote-rce-vulnerability"
},
{
"source": "reefs@jfrog.com",
"url": "https://research.jfrog.com/vulnerabilities/mcp-remote-command-injection-rce-jfsa-2025-001290844/"
}
],
"sourceIdentifier": "reefs@jfrog.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-78"
}
],
"source": "reefs@jfrog.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-07-11T12:44:40+00:00",
"cve": "CVE-2025-6514",
"id": "CVE-2025-6514",
"initial_release_date": "2025-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "OS command injection in mcp-remote when connecting to untrusted MCP servers",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-6514.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-6514",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-07-09T13:05:52.266929Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-07-09T13:05:57.620Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://registry.npmjs.org",
"defaultStatus": "unaffected",
"packageName": "mcp-remote",
"versions": [
{
"lessThanOrEqual": "0.1.15",
"status": "affected",
"version": "0.0.5",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003emcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL\u003c/p\u003e"
}
],
"value": "mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-78",
"description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-07-09T12:41:44.921Z",
"orgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
"shortName": "JFROG"
},
"references": [
{
"tags": [
"third-party-advisory"
],
"url": "https://research.jfrog.com/vulnerabilities/mcp-remote-command-injection-rce-jfsa-2025-001290844/"
},
{
"tags": [
"patch"
],
"url": "https://github.com/geelen/mcp-remote/commit/607b226a356cb61a239ffaba2fb3db1c9dea4bac"
},
{
"tags": [
"technical-description"
],
"url": "https://jfrog.com/blog/2025-6514-critical-mcp-remote-rce-vulnerability"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "OS command injection in mcp-remote when connecting to untrusted MCP servers"
}
},
"cveMetadata": {
"assignerOrgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
"assignerShortName": "JFROG",
"cveId": "CVE-2025-6514",
"datePublished": "2025-07-09T12:41:44.921Z",
"dateReserved": "2025-06-23T09:47:58.352Z",
"dateUpdated": "2025-07-09T13:06:05.402Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…