CVE-2026-85299
Received Received - Intake

Missing Authorization in Google Compute Engine

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: GoogleCloud

Description
A Missing Authorization vulnerability in the disks.createSnapshot and regionDisks.createSnapshot APIs in Google Compute Engine versions prior to 2026-08-31 on Google Cloud Platform allows an authenticated attacker to exfiltrate cross-project disk data. This vulnerability was patched on 31 August 2026, and no customer action is needed.

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Meta Information

Published
2026-10-27
Last Modified
2026-10-27
Generated
2026-10-27
AI Q&A
2026-10-27
EPSS Evaluated
N/A
NVD
CVE-2026-85299
EUVD
EUVD-2026-110641

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Google Cloud Compute Engine 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

CVE-2026-85299 is a Missing Authorization vulnerability in Google Compute Engine's disks.createSnapshot and regionDisks.createSnapshot APIs. It allows authenticated attackers to exfiltrate disk data across projects without proper IAM permissions. The flaw existed in versions prior to 2026-08-31 and was patched on August 31, 2026.

Impact Analysis

An attacker could access sensitive disk data from other projects without authorization. This could lead to data breaches, unauthorized data access, or leakage of confidential information. The impact is limited to disk data exfiltration and requires authentication.

Mitigation Strategies

No immediate action is required as the vulnerability was patched on August 31, 2026. The issue has been resolved and no customer action is needed.

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