Advisoriesby IbisGoogle CloudCVE-2026-85299
Google Cloud Compute Engine: missing authorization
Fix: upgrade to 2026-08-31 or later
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Compute Engine Product | < 2026-08-31 | 2026-08-31 |
Details and references
- CVSS 4.0
- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-862