# CVE-2026-4644: Improper Authorization in Google Cloud Integration Connectors Leads to Project Takeover

> CVE-2026-4644: Improper Authorization in Google Cloud Integration Connectors Leads to Project Takeover. CVSS 8.5 (CVSS 4.0).

Canonical: https://rewindex.com/cve/CVE-2026-4644
Last updated: 2026-09-08T14:16:31Z

- Published: 2026-09-04 10:19 UTC · Updated: 2026-09-08 14:16 UTC · Assigner: GoogleCloud
- CVSS: 8.5 (CVSS 4.0) · Severity: High
- EPSS: 0.35%, 28th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-863

## 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 vendors and products

- Google Cloud: Integration Connectors

## Tracked companies

- [Google Cloud](https://rewindex.com/company/google-cloud.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-4644)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-4644)
- [https://docs.cloud.google.com/support/bulletins\#gcp-2026-059](https://docs.cloud.google.com/support/bulletins#gcp-2026-059)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-4644 · Markdown: https://rewindex.com/cve/CVE-2026-4644.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-4644 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:00:09.881Z