CVE-2025-9276: cockroach-k8s-requ — Fix

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.

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-258 CWE-258

Affected Products

Vendor	Product	Versions
cockroachlabs	cockroach-k8s-request-cert	All

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2025-9276? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-9276? +

CVE-2025-9276 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-9276? +

CVE-2025-9276 affects products from cockroachlabs, specifically: cockroach-k8s-request-cert. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-9276? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-9276