CVE-2026-6819
HighSummary
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, enabling unauthorized plugin installation and activation on the system.
Risk Assessment
The organization is at risk of unauthorized plugin installation and activation, which could lead to serious security breaches in the system. Attackers may exploit this vulnerability to gain control over the system.
Recommendation
It is recommended to use the latest version of HKUDS OpenHarness with PR #156 remediation and restrict access to plugin lifecycle commands only to trusted sources. Additionally, monitoring and auditing of plugin activity in the system should be implemented.
Other vulnerabilities in HKUDS OpenHarness
See all- CVE-2026-7551High
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, leading to execution through the bridge session manager.
- CVE-2026-6823High
HKUDS OpenHarness prior to PR #147 remediation contains an insecure default configuration vulnerability where remote channels inherit allow_from = ["*"] permitting arbitrary remote senders to pass admission checks.
Original NVD description (English source)
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, enabling unauthorized plugin installation and activation on the system.

