CVE-2026-6819

HIGH

HKUDS OpenHarness Plugin Management Command Exposure

Title source: cna

Description

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.

References (4)

[Patch] https://github.com/HKUDS/OpenHarness/pull/156

https://github.com/HKUDS/OpenHarness/commit/59017e09880fcf9a6f60456a84fb982900b2c0b2

View Patch ZIP pw:eip

https://github.com/HKUDS/OpenHarness/releases/tag/v0.1.7

[Third Party Advisory] https://www.vulncheck.com/advisories/hkuds-openharness-plugin-management-command-exposure

Scores

CVSS v3 8.8

EPSS 0.0004

EPSS Percentile 10.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE

CWE-276

Status published

Products (1)

HKUDS/OpenHarness < PR #156

Published Apr 21, 2026

Tracked Since Apr 22, 2026