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Vulnerability record · CVE-2026-67594 · published 30 July 2026

CVE-2026-67594: Missing authentication for critical function vulnerability

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 to any route in the API routing configuration. Attackers can invoke approximately 50 unprotected API endpoints to enumerate and provision servers, reset root passwords, read and write arbitrary files on the host, and create database users.

9.3 CVSS 4.0 Critical EPSS 0.85% · top 43.7% CWE-306 · Missing authentication for critical function Deferred
9.3CVSS 4.0 base score
0.85%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
31 Jul 2026Last modified by NVD

Description

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 to any route in the API routing configuration. Attackers can invoke approximately 50 unprotected API endpoints to enumerate and provision servers, reset root passwords, read and write arbitrary files on the host, and create database users.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/yolanmees/Spikster/issues/24
https://www.vulncheck.com/advisories/spikster-missing-authentication-via-api-route-group

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Source: NIST National Vulnerability Database (record CVE-2026-67594), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.