CVE-2026-7443
Full vulnerability record from the local CVENow database.
Description
A weakness has been identified in BurtTheCoder mcp-dnstwist up to 1.0.4. Affected by this vulnerability is the function fuzz_domain of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument Request can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
MEDIUM
CVSS score
5.5
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-04-29 23:16:20.740000
Last modified
2026-10-26 20:10:00.160000
View original CVE JSON
{
"id": "CVE-2026-7443",
"sourceIdentifier": "[email protected]",
"published": "2026-04-29T23:16:20.740",
"lastModified": "2026-10-26T20:10:00.160",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A weakness has been identified in BurtTheCoder mcp-dnstwist up to 1.0.4. Affected by this vulnerability is the function fuzz_domain of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument Request can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet."
},
{
"lang": "es",
"value": "Se ha identificado una debilidad en BurtTheCoder mcp-dnstwist hasta la versión 1.0.4. La función fuzz_domain del archivo src/index.ts del componente MCP Interface está afectada por esta vulnerabilidad. La ejecución de una manipulación del argumento Request puede conducir a una inyección de comandos del sistema operativo. El ataque puede lanzarse de forma remota. El exploit se ha hecho público y podría ser utilizado para ataques. Se informó al proyecto del problema con antelación a través de un informe de incidencias, pero aún no ha respondido."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "BurtTheCoder",
"product": "mcp-dnstwist",
"modules": [
"MCP Interface"
],
"versions": [
{
"version": "1.0.0",
"status": "affected"
},
{
"version": "1.0.1",
"status": "affected"
},
{
"version": "1.0.2",
"status": "affected"
},
{
"version": "1.0.3",
"status": "affected"
},
{
"version": "1.0.4",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "PROOF_OF_CONCEPT",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 3.9,
"impactScore": 3.4
}
],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"baseScore": 7.5,
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"availabilityImpact": "PARTIAL"
},
"baseSeverity": "HIGH",
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-04T13:20:45.311640Z",
"id": "CVE-2026-7443",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-77"
},
{
"lang": "en",
"value": "CWE-78"
}
]
}
],
"references": [
{
"url": "https://github.com/BruceJqs/public_exp/issues/22",
"source": "[email protected]"
},
{
"url": "https://github.com/BurtTheCoder/mcp-dnstwist/",
"source": "[email protected]"
},
{
"url": "https://github.com/BurtTheCoder/mcp-dnstwist/issues/13",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/804027",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/360185",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/360185/cti",
"source": "[email protected]"
}
]
}