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 < 0.1.2-alpha.1 Authentication Bypass via Host Header Spoofing

DeepSeek Harness before 0.1.2-alpha.1 contains an authentication bypass vulnerability in its local HTTP control-plane API that allows attackers to gain full agent control by supplying a spoofed Host header, as the server validates only the client-supplied Host header value rather than the actual...