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2 vulnerabilities found for Cloud Run MCP by Google Cloud
CVE-2026-85297 (GCVE-0-2026-85297)
Vulnerability from nvd – Published: 2026-10-26 14:58 – Updated: 2026-10-26 14:58
VLAI
EPSS
VEX
Title
Bucket Squatting in Cloud Run MCP leads to Service Account Takeover
Summary
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.
Users must upgrade to Cloud Run MCP version 1.11.0 or later.
Severity
CWE
- CWE-340 - Generation of Predictable Numbers or Identifiers
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Google Cloud | Cloud Run MCP |
Affected:
0 , < 1.11.0
(custom)
|
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"credits": [
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"type": "reporter",
"value": "lambdasawa (Tsubasa Irisawa)"
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}
],
"impacts": [
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"descriptions": [
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}
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"metrics": [
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"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "AMBER",
"subAvailabilityImpact": "LOW",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "LOW",
"userInteraction": "PASSIVE",
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"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
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"providerMetadata": {
"dateUpdated": "2026-10-26T14:58:30.464Z",
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"shortName": "GoogleCloud"
},
"references": [
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}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
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"value": "Users must upgrade to Cloud Run MCP version 1.11.0 or later."
}
],
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}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Bucket Squatting in Cloud Run MCP leads to Service Account Takeover",
"x_generator": {
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}
}
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"cveMetadata": {
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"assignerShortName": "GoogleCloud",
"cveId": "CVE-2026-85297",
"datePublished": "2026-10-26T14:58:30.464Z",
"dateReserved": "2026-09-03T16:38:16.479Z",
"dateUpdated": "2026-10-26T14:58:30.464Z",
"state": "PUBLISHED"
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CVE-2026-85297 (GCVE-0-2026-85297)
Vulnerability from cvelistv5 – Published: 2026-10-26 14:58 – Updated: 2026-10-26 14:58
VLAI
EPSS
VEX
Title
Bucket Squatting in Cloud Run MCP leads to Service Account Takeover
Summary
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.
Users must upgrade to Cloud Run MCP version 1.11.0 or later.
Severity
CWE
- CWE-340 - Generation of Predictable Numbers or Identifiers
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Google Cloud | Cloud Run MCP |
Affected:
0 , < 1.11.0
(custom)
|
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"product": "Cloud Run MCP",
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"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "lambdasawa (Tsubasa Irisawa)"
}
],
"descriptions": [
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}
],
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}
],
"impacts": [
{
"capecId": "CAPEC-616",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-616 Establish Rogue Location"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "AMBER",
"subAvailabilityImpact": "LOW",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "LOW",
"userInteraction": "PASSIVE",
"valueDensity": "NOT_DEFINED",
"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",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
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"lang": "en",
"value": "GENERAL"
}
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}
],
"problemTypes": [
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"descriptions": [
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"description": "CWE-340 Generation of Predictable Numbers or Identifiers",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-26T14:58:30.464Z",
"orgId": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
"shortName": "GoogleCloud"
},
"references": [
{
"url": "https://github.com/GoogleCloudPlatform/cloud-run-mcp/releases/tag/v1.11.0"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Users must upgrade to Cloud Run MCP version 1.11.0 or later."
}
],
"value": "Users must upgrade to Cloud Run MCP version 1.11.0 or later."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Bucket Squatting in Cloud Run MCP leads to Service Account Takeover",
"x_generator": {
"engine": "Vulnogram 1.0.1"
}
}
},
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"cveId": "CVE-2026-85297",
"datePublished": "2026-10-26T14:58:30.464Z",
"dateReserved": "2026-09-03T16:38:16.479Z",
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},
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