9.2
CRITICAL CVSS 4.0
CVE-2026-7428
Insecure default administrative credentials in AlloyDB for PostgreSQL
Description

Prior to 2025-11-03, well-intended users of Terraform or REST API for Google Cloud AlloyDB for PostgreSQL could have created clusters with an insecure default password which could have been exploited by a remote attacker to gain full administrative access to the database. Exploitation required network access to the AlloyDB cluster and was limited to Terraform or the REST API, as other clients blocked it.

INFO

Published Date :

May 12, 2026, 10:16 a.m.

Last Modified :

May 12, 2026, 10:16 a.m.

Remotely Exploit :

Yes !

Source :

f45cbf4e-4146-4068-b7e1-655ffc2c548c
Affected Products

The following products are affected by CVE-2026-7428 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 CRITICAL f45cbf4e-4146-4068-b7e1-655ffc2c548c
CVSS 4.0 CRITICAL f45cbf4e-4146-4068-b7e1-655ffc2c548c
Solution
Reset database passwords to prevent unauthorized administrative access.
  • Reset passwords for all AlloyDB clusters.
  • Apply security patches to Terraform and REST API.
  • Verify database access controls.
  • Audit for unauthorized access.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-7428.

URL Resource
https://docs.cloud.google.com/alloydb/docs/release-notes#April_28_2026
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-7428 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-7428 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-7428 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-7428 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by f45cbf4e-4146-4068-b7e1-655ffc2c548c

    May. 12, 2026

    Action Type Old Value New Value
    Added Tag exclusively-hosted-service
    Added Description Prior to 2025-11-03, well-intended users of Terraform or REST API for Google Cloud AlloyDB for PostgreSQL could have created clusters with an insecure default password which could have been exploited by a remote attacker to gain full administrative access to the database. Exploitation required network access to the AlloyDB cluster and was limited to Terraform or the REST API, as other clients blocked it.
    Added CVSS V4.0 AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber
    Added CWE CWE-1392
    Added Reference https://docs.cloud.google.com/alloydb/docs/release-notes#April_28_2026
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.