CVE-2026-6819

HIGH 8.8

HKUDS OpenHarness Plugin Management Command Exposure

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-276
Vendor	hkuds
Product	openharness
Published	Apr 21, 2026
Last Updated	Apr 21, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

HKUDS / OpenHarness

0 < PR #156

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/HKUDS/OpenHarness/pull/156 github.com: https://github.com/HKUDS/OpenHarness/commit/59017e09880fcf9a6f60456a84fb982900b2c0b2 github.com: https://github.com/HKUDS/OpenHarness/releases/tag/v0.1.7 vulncheck.com: https://www.vulncheck.com/advisories/hkuds-openharness-plugin-management-command-exposure

Credits

Chia Min Jun Lennon