VULNRABLE / Vulnerability / CVE-2026-55678

CVE-2026-55678

MEDIUM LOW github.com/basekick-labs/arc GHSA

Exploit verdict: No active-exploit signal

CVSS Score

5.5

Severity

MEDIUM

EPSS

Source

GHSA

Summary

arc has unauthenticated cluster node admission when `cluster.shared_secret` is unset

What this means

CVE-2026-55678 is a medium-severity vulnerability affecting github.com/basekick-labs/arc, rated CVSS 5.5. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published August 29, 2026.

View full advisory at GHSA →