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.
Published: 2025-09-02
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-26436 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.
History

Wed, 28 Jan 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Cockroachlabs
Cockroachlabs cockroach-k8s-request-cert
CPEs cpe:2.3:a:cockroachlabs:cockroach-k8s-request-cert:-:*:*:*:*:*:*:*
Vendors & Products Cockroachlabs
Cockroachlabs cockroach-k8s-request-cert

Thu, 04 Sep 2025 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Cockroach Labs
Cockroach Labs cockroach-k8s-request-cert
Vendors & Products Cockroach Labs
Cockroach Labs cockroach-k8s-request-cert

Wed, 03 Sep 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 02 Sep 2025 20:15:00 +0000

Type Values Removed Values Added
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.
Title Cockroach Labs cockroach-k8s-request-cert Empty Root Password Authentication Bypass Vulnerability
Weaknesses CWE-258
References
Metrics cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Cockroach Labs Cockroach-k8s-request-cert
Cockroachlabs Cockroach-k8s-request-cert
cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2025-09-03T15:32:42.164Z

Reserved: 2025-08-20T18:14:23.415Z

Link: CVE-2025-9276

cve-icon Vulnrichment

Updated: 2025-09-03T15:32:39.119Z

cve-icon NVD

Status : Analyzed

Published: 2025-09-02T20:15:40.407

Modified: 2026-01-30T20:27:48.443

Link: CVE-2025-9276

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-04T13:12:31Z

Weaknesses