CVE-2026-56696 OpenHarness - Prompt Injection via /issue and /pr_comments Slash Commands

OpenHarness /issue and /prcomments slash commands lack remoteinvocable=False protection, allowing remote channel senders to write attacker-controlled Markdown into project context files. Admitted remote attackers can inject malicious content into .openharness/issue.md and .openharness/prcomments....