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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-85297",
        "assignerOrgId": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
        "state": "PUBLISHED",
        "assignerShortName": "GoogleCloud",
        "dateReserved": "2026-09-03T16:38:16.479Z",
        "datePublished": "2026-10-26T14:58:30.464Z",
        "dateUpdated": "2026-10-26T14:58:30.464Z"
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                "orgId": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
                "shortName": "GoogleCloud",
                "dateUpdated": "2026-10-26T14:58:30.464Z"
            },
            "title": "Bucket Squatting in Cloud Run MCP leads to Service Account Takeover",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-340",
                            "description": "CWE-340 Generation of Predictable Numbers or Identifiers",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-616",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-616 Establish Rogue Location"
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            "affected": [
                {
                    "vendor": "Google Cloud",
                    "product": "Cloud Run MCP",
                    "versions": [
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                            "status": "affected",
                            "version": "0",
                            "lessThan": "1.11.0",
                            "versionType": "custom"
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                {
                    "lang": "en",
                    "value": "Bucket Squatting in Google Cloud Run MCP versions prior to 1.11.0 on Google Cloud Platform allows an attacker to intercept and access proprietary source code, execute arbitrary code and exfiltrate data.\n\n\n\nUsers must upgrade to Cloud Run MCP version 1.11.0 or later.",
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            "references": [
                {
                    "url": "https://github.com/GoogleCloudPlatform/cloud-run-mcp/releases/tag/v1.11.0"
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                            "lang": "en",
                            "value": "GENERAL"
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                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "LOW",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "LOW",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "LOW",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "AMBER",
                        "version": "4.0",
                        "baseSeverity": "HIGH",
                        "baseScore": 7.7,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Amber"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "lambdasawa (Tsubasa Irisawa)",
                    "type": "reporter"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
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                "engine": "Vulnogram 1.0.1"
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            "solutions": [
                {
                    "lang": "en",
                    "value": "Users must upgrade to Cloud Run MCP version 1.11.0 or later.",
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