CVE-2025-9276 json
Cockroach Labs cockroach-k8s-request-cert Empty Root Password Authentication Bypass Vulnerability
published 2025-09-02 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-26436
- cvss
- 9.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 14 mo ago
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Cockroach Labs cockroach-k8s-request-cert
Classification
- Weakness
-
- CWE-258 Empty Password in Configuration File
References
-
zerodayinitiative.com
/advisories/ZDI-25-855/
mitigation, vendor-advisory
Sources
- CVE List CVE-2025-9276
- NVD CVE-2025-9276
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