Critical severity9.8NVD Advisory· Published Aug 18, 2026
CVE-2026-75627
CVE-2026-75627
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
1Patches
Vulnerability mechanics
References
4- github.com/bastillion-io/Bastillion/blob/master/src/main/java/loophole/mvc/base/BaseKontroller.javanvd
- github.com/bastillion-io/Bastillion/commit/d759fb686a1a097b1b026e286fd9b20e5ba349c8nvd
- github.com/bastillion-io/Bastillion/issues/669nvd
- www.vulncheck.com/advisories/bastillion-authentication-bypass-via-path-prefix-routing-mismatchnvd
News mentions
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