CVE-2026-4644

Improper Authorization in Google Cloud Integration Connectors Leads to Project Takeover

Published Sep 4, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
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.



This vulnerability was patched on 11 December 2025, 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 integration Connectors
Vendors & Products Google Cloud
Google Cloud integration Connectors
Type Values Removed Values Added
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. This vulnerability was patched on 11 December 2025, and no customer action is needed.
Title Improper Authorization in Google Cloud Integration Connectors Leads to Project Takeover
Weaknesses CWE-863
References
Metrics cvssV4_0

{'score': 8.5, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GoogleCloud
Published
Updated
Sep 4, 2026, 4:09 PM
Reserved
Mar 23, 2026, 12:12 PM
Status
Awaiting Analysis
Published
Sep 4, 2026, 11:17 AM
Modified
Sep 8, 2026, 2:16 PM