CVE-2026-7428Network attack vector

Administrative takeover via insecure default password

Published May 12, 2026 · Updated May 12, 2026

Use of default credentials in Google Cloud AlloyDB for PostgreSQL before 2025-11-03 allows remote attackers to gain administrative access. Terraform and REST API cluster creation accepted an unspecified initial user or password and assigned an insecure default instead of locking the postgres role. Only clusters created through those interfaces were exposed, and exploitation required network access to the cluster, granting full control over database data and operations.

CVSS severity9.2
Critical
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use of default credentials in Google Cloud AlloyDB for PostgreSQL before 2025-11-03 allows remote attackers to gain administrative access. Terraform and REST API cluster creation accepted an unspecified initial user or password and assigned an insecure default instead of locking the postgres role. Only clusters created through those interfaces were exposed, and exploitation required network access to the cluster, granting full control over database data and operations.

The record

CVE
CVE-2026-7428
Published
May 12, 2026
Updated
May 12, 2026
Vendor
Go standard library
Product
AlloyDB for PostgreSQL
Classifications
CWE-1392, CAPEC-70, T1078.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 12, 2026CVE publishedPublication date reported by the CVE source.
  2. May 12, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2025-11-03

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Go standard library · AlloyDB for PostgreSQLversion=0 <2025-11-03

Published CVSS scores

9.2Google CloudCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1392Use of Default Credentials
CAPEC-70Try Common or Default Usernames and Passwords
T1078.001Valid Accounts: Default Accounts

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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