CVE-2025-9276 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cockroachlabs	Cockroach-K8S-Request-Cert	-

Related Weaknesses (CWE)

CWE-258

References

https://www.zerodayinitiative.com/advisories/ZDI-25-855/MitigationVendor Advisory

FAQ

What is CVE-2025-9276?

CVE-2025-9276 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 affe...

How severe is CVE-2025-9276?

CVE-2025-9276 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-9276?

Check the references section above for vendor advisories and patch information. Affected products include: Cockroachlabs Cockroach-K8S-Request-Cert.