{"id":"CVE-2026-4644","state":"PUBLISHED","title":"Improper Authorization in Google Cloud Integration Connectors Leads to Project Takeover","description":"A Missing Authorization vulnerability in HTTP Connector in Google Cloud Integration Connectors versions prior to 2025-12-11 on Google Cloud Platform allows an authenticated user to escalate privileges and take over a Google Cloud Project using unauthorized service account attachment.\n\n\n\nThis vulnerability was patched on 11 December 2025, and no customer action is needed.","publishedAt":"2026-09-04T10:19:13.421Z","updatedAt":"2026-09-04T16:09:28.967Z","severity":{"score":8.5,"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:H/SA:H/U:Clear","source":"GoogleCloud"},"assigner":"GoogleCloud","products":["Google Cloud Integration Connectors"],"affected":[{"vendor":"Google Cloud","product":"Integration Connectors","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2025-12-11","versionType":"date"}]}],"references":["https://docs.cloud.google.com/support/bulletins#gcp-2026-059"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/4xxx/CVE-2026-4644.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-4644","state":"PUBLISHED","datePublished":"2026-09-04T10:19:13.421Z","dateUpdated":"2026-09-04T16:09:28.967Z","assignerShortName":"GoogleCloud","assignerOrgId":"f45cbf4e-4146-4068-b7e1-655ffc2c548c","dateReserved":"2026-03-23T12:12:25.063Z"},"containers":{"cna":{"title":"Improper Authorization in Google Cloud Integration Connectors Leads to Project Takeover","descriptions":[{"lang":"en","value":"A Missing Authorization vulnerability in HTTP Connector in Google Cloud Integration Connectors versions prior to 2025-12-11 on Google Cloud Platform allows an authenticated user to escalate privileges and take over a Google Cloud Project using unauthorized service account attachment.\n\n\n\nThis vulnerability was patched on 11 December 2025, and no customer action is needed."}],"affected":[{"vendor":"Google Cloud","product":"Integration Connectors","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2025-12-11","versionType":"date"}]}],"references":[{"url":"https://docs.cloud.google.com/support/bulletins#gcp-2026-059"}],"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":"HIGH","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"HIGH","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":8.5,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/U:Clear"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863 Incorrect Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GoogleCloud","orgId":"f45cbf4e-4146-4068-b7e1-655ffc2c548c","dateUpdated":"2026-09-04T10:19:13.421Z"},"impacts":[{"capecId":"CAPEC-1","descriptions":[{"lang":"en","value":"CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"}]}],"credits":[{"lang":"en","value":"asterfiester","type":"reporter"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-04T16:08:14.984524Z","id":"CVE-2026-4644","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-04T16:09:28.967Z"}}]}}}