CVE-2026-85297
Bucket Squatting in Cloud Run MCP leads to Service Account Takeover
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.
Fixes and workarounds
Fix
Users must upgrade to Cloud Run MCP version 1.11.0 or later.
Source: CNA: GoogleCloudAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| Cloud Run MCP Google Cloud |
≥ 0; < 1.11.0 (affected, custom)
Other versions: unaffected |
CNA: GoogleCloud |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 7.7 high |
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 | CNA: GoogleCloud |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
For agents and automation
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Endpoints and access details
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