CVE-2026-4644: CWE-863 Incorrect Authorization in Google Cloud Integration Connectors
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.
CVSS v4.0
Score 8.5high
Affected software
Google Cloud
Integration Connectors
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-4644) involves a missing authorization check in the HTTP Connector of Google Cloud Integration Connectors. It allows an authenticated attacker to escalate privileges by attaching unauthorized service accounts, potentially leading to full takeover of a Google Cloud Project. The issue affects versions prior to the patch date of December 11, 2025. Google has patched the vulnerability and manages remediation for this cloud-hosted service, requiring no customer intervention.
Potential Impact
An authenticated attacker could escalate privileges and take over a Google Cloud Project by exploiting the missing authorization in the HTTP Connector. This could lead to unauthorized access and control over cloud resources within the affected project. The CVSS 4.0 score is 8.5 (high), indicating a significant security risk if unpatched.
Mitigation Recommendations
This vulnerability was patched by Google on December 11, 2025. No customer action is required as Google manages remediation for this cloud-hosted service. Customers should verify that their environments are running the patched version or later and consult the official Google advisory for confirmation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GoogleCloud
- Date Reserved
- 2026-03-23T12:12:25.063Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://docs.cloud.google.com/support/bulletins#gcp-2026-059","vendor":"Google"}]
Threat ID: 6a9a9bf4acd9273b496ca30f
Added to database: 09/04/2026, 10:22:44 UTC
Last enriched: 09/07/2026, 12:12:25 UTC
Last updated: 10/17/2026, 06:48:18 UTC
Views: 95
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