Cloud Run MCP bucket squatting before 1.11.0

high severity · published 2026-10-26

An attacker can claim a Google Cloud Storage bucket that your deployment trusts, intercepting connections. This lets them read proprietary source code, execute arbitrary code, and exfiltrate data.

Fixed in: 1.11.0

CVE: CVE-2026-85297

Source: NVD

Am I affected?

You are affected if the installed version is older than 1.11.0. Check the version you have and update to 1.11.0 or later. The fixed version is verified against a vendor or advisory source.

Get the fix

FixLane has a reviewed fix procedure for this incident: a read-only check first, then the fix. Ask the Telegram bot, or connect an AI agent to the FixLane MCP server and call get_fix_prompt with incident id 533 and your operating system.