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CVE-2026-4644

Improper Authorization in Google Cloud Integration Connectors Leads to Project Takeover

HIGH
8.5
CVSS Score
Published: September 4, 2026 at 10:19 AM UTC
Updated: September 8, 2026 at 02:31 PM UTC
1 product affected across 1 vendorIntegration Connectors

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Severity
HIGH8.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Integration Connectors· Google Cloud
60%
v < 2025-12-11
Affected range stops below 2025-12-11, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://docs.cloud.google.com/support/bulletins#gcp-2026-059

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGHGoogleCloud
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-863

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