CVE-2026-82533 DeepSeek Harness < 0.1.2-alpha.1 Authentication Bypass via Host Header Spoofing

DeepSeek Harness before 0.1.2-alpha.1 contains an authentication bypass vulnerability that grants unauthenticated access to its local HTTP agent-control API by accepting a client-supplied loopback Host header in place of validating the actual TCP connection origin. On the default configuration, a...

CVE-2026-82533

DeepSeek Harness prior to 0.1.2-alpha.1 contains an authentication bypass in its local HTTP control-plane API. The root cause is that the server validates only the client-supplied Host header rather than the actual TCP connection origin, allowing a network attacker to spoof authentication. This p...