CVE-2026-6819CWE-276

HKUDS OpenHarness Plugin Management Command Exposure

High · published April 21, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
43.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.00515 · 43.0th percentile
Weakness
CWE-276 · Incorrect Default Permissions
Published
2026-04-21T19:41Z
EPSS history
Timeline
  • 21 APR 19:41Z
    HKUDS OpenHarness Plugin Management Command Exposure
    cvelistv5