EUVD-2026-52444

Chisel is a TCP/UDP tunnel, transported over HTTP and secured via SSH. In versions prior to 1.11.5, authenticated clients can bypass --authfile ACL restrictions and tunnel traffic to arbitrary destinations reachable from the server. The ACL is enforced only during the initial handshake against...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass in the Post-Handshake SSH Channel process. An attacker can bypass access control by injecting extra data after the SSH handshake, allowing unauthorized access to restricted resources. Remediation Upgrade...