CVE-2025-9276 CRITICAL

CVE-2025-9276: Cockroach Labs cockroach-k8s-request-cert Empty Root Password Authentication Bypass Vulnerability

Vendor Cockroach Labs
Product cockroach-k8s-request-cert
Weakness CWE-258
Published September 2, 2025
Last update September 3, 2025

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 2, 2025 CVE published
September 3, 2025 Record updated