CVE-2026-85297 Google Cloud Run MCP - Remote Code Execution & Information Disclosure

Google Cloud Run MCP < 1.11.0 contains a bucket squatting vulnerability caused by improper resource handling, letting attackers intercept proprietary source code, execute arbitrary code, and exfiltrate data, exploit requires attacker control over bucket naming.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution, Information Disclosure, Data Tampering
CVSS vector
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/E:X/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:Amber
Published
26 October 2026
Updated
27 October 2026
Weakness
CWE-340

Vendor fix

Upgrade to Cloud Run MCP version 1.11.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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