CVE-2026-6819

HKUDS OpenHarness prior to PR 156 remediation exposes plugin lifecycle commands including /plugin install, /plugin enable, /plugin disable, and /reload-plugins to remote senders by default. Attackers who gain access through the channel layer can remotely manage plugin trust and activation state,...

CVE-2026-7551: Improper Neutralization of Special Elements used in an OS Command

HKUDS OpenHarness contains a remote code execution vulnerability in the /bridge slash command that allows remote senders accepted by configuration to execute arbitrary operating system commands. Attackers can invoke the /bridge spawn command with attacker-controlled command text that is forwarded...

CVE-2026-6823 HKUDS OpenHarness Insecure Default Remote Channel Allowlist

HKUDS OpenHarness prior to PR 147 remediation contains an insecure default configuration vulnerability where remote channels inherit allowfrom = "" permitting arbitrary remote senders to pass admission checks. Attackers who can reach the configured channel can bypass access controls and reach...

CVE-2026-6823: Incorrect Default Permissions

HKUDS OpenHarness prior to PR 147 remediation contains an insecure default configuration vulnerability where remote channels inherit allowfrom = "" permitting arbitrary remote senders to pass admission checks. Attackers who can reach the configured channel can bypass access controls and reach...

CVE-2026-6819: Incorrect Default Permissions

HKUDS OpenHarness prior to PR 156 remediation exposes plugin lifecycle commands including /plugin install, /plugin enable, /plugin disable, and /reload-plugins to remote senders by default. Attackers who gain access through the channel layer can remotely manage plugin trust and activation state,...

CVE-2026-6729: Improper Authentication

HKUDS OpenHarness prior to PR 159 remediation contains a session key derivation vulnerability that allows authenticated participants in shared chats or threads to hijack other users' sessions by exploiting a shared ohmo session key that lacks sender identity verification. Attackers can reuse...