Is CVE-2025-9276 actively exploited?

No active exploitation of CVE-2025-9276 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-9276 be exploited remotely?

Yes. CVE-2025-9276 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-9276?

CVE-2025-9276 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2025-9276

CWE-258Published: September 2, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

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.

NVD Source

Technical Analysis

CVE-2025-9276 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.