Incorrect Authorization

Overview @ai-sdk/harness-opencode is a The OpenCode harness connects HarnessAgent to OpenCode through a sandboxed bridge. Affected versions of this package are vulnerable to Incorrect Authorization through the tool relay in tool-relay-auth.ts and tool-relay.ts. An attacker can invoke host-exposed...

CVE-2026-64651 AI SDK OpenCode Harness Tool Relay Authorization Bypass

The @ai-sdk/harness-opencode tool connects HarnessAgent to OpenCode through a sandboxed bridge. Prior to version 1.0.28, the tool relay authorizes requests from any process whose command line contains an allowed helper script path host-tool-mcp.mjs. This allows untrusted code executing in the...

CVE-2026-64651 AI SDK OpenCode Harness Tool Relay Authorization Bypass

The @ai-sdk/harness-opencode tool connects HarnessAgent to OpenCode through a sandboxed bridge. Prior to version 1.0.28, the tool relay authorizes requests from any process whose command line contains an allowed helper script path host-tool-mcp.mjs. This allows untrusted code executing in the...