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vuln-cve/data/2025/54xxx/CVE-2025-54136.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"cveId": "CVE-2025-54136",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2025-07-16T23:53:40.510Z",
"datePublished": "2025-08-01T23:08:21.817Z",
"dateUpdated": "2025-08-04T17:16:42.841Z"
},
"containers": {
"cna": {
"title": "Cursor's Modification of MCP Server Definitions Bypasses Manual Re-approvals",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-78",
"lang": "en",
"description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/cursor/cursor/security/advisories/GHSA-24mc-g4xr-4395",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/cursor/cursor/security/advisories/GHSA-24mc-g4xr-4395"
}
],
"affected": [
{
"vendor": "cursor",
"product": "cursor",
"versions": [
{
"version": "< 1.3",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2025-08-01T23:08:21.817Z"
},
"descriptions": [
{
"lang": "en",
"value": "Cursor is a code editor built for programming with AI. In versions 1.2.4 and below, attackers can achieve remote and persistent code execution by modifying an already trusted MCP configuration file inside a shared GitHub repository or editing the file locally on the target's machine. Once a collaborator accepts a harmless MCP, the attacker can silently swap it for a malicious command (e.g., calc.exe) without triggering any warning or re-prompt. If an attacker has write permissions on a user's active branches of a source repository that contains existing MCP servers the user has previously approved, or allows an attacker has arbitrary file-write locally, the attacker can achieve arbitrary code execution. This is fixed in version 1.3."
}
],
"source": {
"advisory": "GHSA-24mc-g4xr-4395",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-08-04T17:16:34.453679Z",
"id": "CVE-2025-54136",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-08-04T17:16:42.841Z"
}
}
]
}
}