Insecure default administrative credentials in AlloyDB for PostgreSQL

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Summary

CVECVE-2026-7428
StatePUBLISHED
AssignerGoogleCloud
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-12 10:16:48 UTC
Updated2026-05-12 15:09:58 UTC
DescriptionPrior 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.

Risk And Classification

Primary CVSS: v4.0 9.2 CRITICAL from f45cbf4e-4146-4068-b7e1-655ffc2c548c

CVSS:4.0/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

EPSS: 0.000410000 probability, percentile 0.124290000 (date 2026-05-12)

Problem Types: CWE-1392 | CWE-1392 CWE-1392 Use of default credentials

VersionSourceTypeScoreSeverityVector
4.0f45cbf4e-4146-4068-b7e1-655ffc2c548cSecondary9.2CRITICALCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/C...
4.0CNACVSS9.2CRITICALCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Amber

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
Low
Sub Integrity
Low
Sub Availability
Low

CVSS:4.0/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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Google Cloud AlloyDB For PostgreSQL affected 2025-11-03 date Not specified

References

ReferenceSourceLinkTags
docs.cloud.google.com/alloydb/docs/release-notes f45cbf4e-4146-4068-b7e1-655ffc2c548c docs.cloud.google.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Mark Lawrenson (en)

Additional Advisory Data

Solutions

CNA: This vulnerability was patched on November 3, 2025. Impacted instances have been proactively remediated, and no customer action is needed.

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