CVE-2026-7428 Insecure default administrative credentials in AlloyDB for PostgreSQL
Remote attackers can gain full administrative access to AlloyDB clusters created via Terraform or REST API due to insecure default credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7428?
CVE-2026-7428 is a critical vulnerability in Google Cloud AlloyDB for PostgreSQL, published on 12 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-1392
Which versions are affected by CVE-2026-7428?
How do I fix CVE-2026-7428?
No fix has been published for CVE-2026-7428 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-7428 being exploited?
There is no known exploitation of CVE-2026-7428 in the wild and no public exploit code.
Sources
Also known as GHSA-fmcg-2r5c-wmhp.