CVE-2026-67594: Spikster Missing Authentication via API Route Group

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-30 · updated 2026-10-23
Weakness: CWE-306

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.

Affected products

yolanmees Spikster: all versions

References

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

Get alerted when CVE-2026-67594 or the next vulnerability affects your stack