Skip to content
CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-75627

Bastillion Authentication Bypass via Path-Prefix Routing Mismatch

Description

Bastillion fails to properly validate request URI paths in its controller dispatcher, allowing unauthenticated attackers to bypass authentication filters by prefixing requests with arbitrary path segments. Attackers can access administrative controllers to read user listings, create manager accounts, and register managed systems, gaining control over SSH access to the managed fleet.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

bastillion-io Bastillion

Default version status: unaffected

  • 0 to ≤ 5.1.0affected
pkg:github/bastillion-io/Bastillion

References