What is CVE-2026-6819?

CVE-2026-6819 is a high-severity vulnerability in Hkuds Openharness, classified under Incorrect Default Permissions. CVSS score: 8.8/10. Published 2026-04-21.

How severe is CVE-2026-6819?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Hkuds Openharness

CVE-2026-6819

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 la…

EPSS: 0.001 (16.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Hkuds Openharness — versions 0

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

Pull Request (Exploit, Patch, patch, Issue Tracking)
Patch Commit (Patch)
Release Notes (Release Notes)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-6819?: CVE-2026-6819 is a high-severity vulnerability in Hkuds Openharness, classified under Incorrect Default Permissions. CVSS score: 8.8/10. Published 2026-04-21.
How severe is CVE-2026-6819?: High severity. CVSS v3 base score is 8.8 out of 10.