CVE-2026-4644

high

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.

References

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

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

Details

Source: Mitre, NVD

Published: 2026-09-04

Updated: 2026-09-08

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base 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

Severity: High

EPSS

EPSS: 0.00226