CVE-2026-85297: Bucket Squatting in Cloud Run MCP leads to Service Account Takeover
High · CVSS 7.7 (CVSS 4.0)EPSS 0.31%, 24th percentilePublished Updated Assigner: GoogleCloud
Description
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.
CWE-340
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Google Cloud: Cloud Run MCP
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- github.com/GoogleCloudPlatform/cloud-run-mcp/releases/tag/v1.11.0 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)