CVE-2026-6819 HIGH

CVE-2026-6819: HKUDS OpenHarness Plugin Management Command Exposure

Vendor Hkuds
Product OpenHarness
Weakness CWE-276
Published April 21, 2026
Last update April 22, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 21, 2026 CVE published
April 22, 2026 Record updated