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TI-2025-08503 Aliases CVE-2025-9276GHSA-f2xw-w9gh-q2h9

Cockroach Labs cockroach-k8s-request-cert Empty Root Password Authentication Bypass…

Priority MEDIUM 50CWE-258Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00652 51st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Cockroach Labscockroach-k8s-request-certcockroachdb/cockroach-k8s-request-cert:latest—No fix listedCNA
  • cockroach-k8s-request-cert VendorCockroach Labs Affected cockroachdb/cockroach-k8s-request-cert:latest Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cockroachlabs:cockroach-k8s-request-cert:-:*:*:*:*:*:*:*not specified by NVDVulnerableCockroach Labs
  • cpe:2.3:a:cockroachlabs:cockroach-k8s-request-cert:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cockroach Labs

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-9276
  2. 2026-10-03 Alias added: GHSA-f2xw-w9gh-q2h9
  3. 2026-10-14 EPSS moved to the 50th–90th percentile

References

Advisory 1

Sources