CVE-2026-85299

Missing Authorization in Compute Engine allows Cross-Project Disk Exfiltration

Published Oct 27, 2026 CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Google Cloud
Google Cloud compute Engine
Vendors & Products Google Cloud
Google Cloud compute Engine
Type Values Removed Values Added
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.
Title Missing Authorization in Compute Engine allows Cross-Project Disk Exfiltration
Weaknesses CWE-862
References
Metrics cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/U:Clear'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GoogleCloud
Published
Updated
Nov 4, 2026, 2:58 PM
Reserved
Sep 3, 2026, 4:39 PM
Status
Awaiting Analysis
Published
Oct 27, 2026, 10:16 AM
Modified
Nov 4, 2026, 3:17 PM