{"id":"CVE-2026-85299","state":"PUBLISHED","title":"Missing Authorization in Compute Engine allows Cross-Project Disk Exfiltration","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.\n\n\nThis vulnerability was patched on 31 August 2026, and no customer action is needed.","publishedAt":"2026-10-27T09:02:32.461Z","updatedAt":"2026-10-27T09:02:32.461Z","severity":{"score":8.3,"label":"High","version":"4.0","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","source":"GoogleCloud"},"assigner":"GoogleCloud","products":["Google Cloud Compute Engine"],"affected":[{"vendor":"Google Cloud","product":"Compute Engine","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2026-08-31","versionType":"date"}]}],"references":["https://docs.cloud.google.com/compute/docs/security-bulletins#gcp-2026-073"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/85xxx/CVE-2026-85299.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-85299","state":"PUBLISHED","datePublished":"2026-10-27T09:02:32.461Z","dateUpdated":"2026-10-27T09:02:32.461Z","assignerShortName":"GoogleCloud","assignerOrgId":"f45cbf4e-4146-4068-b7e1-655ffc2c548c","dateReserved":"2026-09-03T16:39:24.330Z"},"containers":{"cna":{"title":"Missing Authorization in Compute Engine allows Cross-Project Disk Exfiltration","descriptions":[{"lang":"en","value":"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.\n\n\nThis vulnerability was patched on 31 August 2026, and no customer action is needed."}],"affected":[{"vendor":"Google Cloud","product":"Compute Engine","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2026-08-31","versionType":"date"}]}],"references":[{"url":"https://docs.cloud.google.com/compute/docs/security-bulletins#gcp-2026-073"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"CLEAR","version":"4.0","baseSeverity":"HIGH","baseScore":8.3,"vectorString":"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862 Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GoogleCloud","orgId":"f45cbf4e-4146-4068-b7e1-655ffc2c548c","dateUpdated":"2026-10-27T09:02:32.461Z"},"impacts":[{"capecId":"CAPEC-122","descriptions":[{"lang":"en","value":"CAPEC-122 (CAPEC-122 Privilege Abuse)"}]}],"tags":["exclusively-hosted-service"],"credits":[{"lang":"en","value":"Parsa Babadiaghakhanpour","type":"reporter"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}}}}}