{"id":"CVE-2026-85299","title":"Missing Authorization in Compute Engine allows Cross-Project Disk Exfiltration","summary":"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-pro…","severity":"high","cvss":8.3,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-862"],"vendor":"Google Cloud","product":"Compute Engine","affected":["compute_engine < 2026-08-31"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T09:02:32.461Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-85299","references":[{"url":"https://docs.cloud.google.com/compute/docs/security-bulletins#gcp-2026-073"}],"tags":["cve.org"],"epss":0.00351,"epssPercentile":0.28527,"ingestedAt":"2026-10-27T16:11:59.252Z","slug":"CVE-2026-85299","body":"## Overview\n\nA 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.\n\n\nThis vulnerability was patched on 31 August 2026, and no customer action is needed.\n\n## Affected\n\n- `compute_engine < 2026-08-31`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":45.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}