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CVE-2026-85299

High

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.

SeverityHigh
CVSS8.3
Exploit probability17. percentile0.3%
ProductCompute Engine
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-862Missing authorization

How to fix

Update
  • Google Cloud Compute Engine2026-08-31 or later

Affected products

ProductAffected versionsFixed in
Google Cloud Compute Enginev < 2026-08-312026-08-31

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