CVE-2025-9276 Cockroach Labs cockroach-k8s-request-cert Empty Root Password Authentication Bypass Vulnerability
Remote attackers can bypass authentication and gain root access due to an empty root password in the container image configuration.
- 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-2025-9276?
CVE-2025-9276 is a critical authentication bypass vulnerability in cockroach-k8s-request-cert, published on 2 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cockroach Labs cockroach-k8s-request-cert Empty Root Password Authentication Bypass Vulnerability. This vulnerability could allow remote attackers to bypass authentication on systems that use the affected version of the Cockroach Labs cockroach-k8s-request-cert container image.
The specific flaw exists within the configuration of the system shadow file. The issue results from a blank password setting for the root user. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-22195.
Weakness: CWE-258
Which versions are affected by CVE-2025-9276?
It affects 1 product.
Products include Cockroachlabs Cockroach-K8s-Request-Cert.
How do I fix CVE-2025-9276?
No fix has been published for CVE-2025-9276 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-9276 being exploited?
There is no known exploitation of CVE-2025-9276 in the wild and no public exploit code.
Sources
Also known as GHSA-f2xw-w9gh-q2h9.