What is CVE-2026-67594?

CVE-2026-67594 is a critical-severity vulnerability in Yolanmees Spikster, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-07-30.

How severe is CVE-2026-67594?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Yolanmees Spikster

CVE-2026-67594

Spikster through commit e1cdf8c contains a missing authentication vulnerability that allows unauthenticated remote attackers to access all API routes by exploiting the unattached CipiAuth middleware, which is registered but never applied t…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Yolanmees Spikster — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-67594?: CVE-2026-67594 is a critical-severity vulnerability in Yolanmees Spikster, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-07-30.
How severe is CVE-2026-67594?: Critical severity. CVSS v3 base score is 9.8 out of 10.