Improper Authorization in Google Cloud Integration Connectors Leads to Project Takeover (CVE-2026-4644) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-4644

Improper Authorization in Google Cloud Integration Connectors Leads to Project Takeover

Answer in brief

CVE-2026-4644 records a Unknown severity vulnerability in Improper Authorization in Google Cloud Integration Connectors Leads to Project Takeover. The current sources do not mark it as known exploited. The current feed maps Google Cloud/Integration Connectors (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 4, 2026Updated Sep 4, 2026Source checked Sep 4, 2026First seen by HOL Sep 4, 2026Material review Sep 4, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Google Cloud/Integration Connectors (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Google Cloud/Integration Connectorsgeneric	>=0 <2025-12-11	2025-12-11

Recommended response

Check inventory. Check lockfiles and deployed manifests for Google Cloud/Integration Connectors.
Review the reported fix. Update Google Cloud/Integration Connectors to 2025-12-11 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 4, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 4, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 4, 2026

Sources and claim methodology

Source referencedocs.cloud.google.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.