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CVE-2026-6819 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: April 21, 2026

HKUDS OpenHarness - Broken Access Control

Published: April 21, 2026Updated: April 21, 2026Remote Exploitable

Overview

HKUDS OpenHarness prior to PR #156 contains a broken access control vulnerability caused by exposed plugin lifecycle commands, letting remote attackers manage plugin trust and activation, exploit requires channel layer access.

Severity & Score

Severity: High
CVSS Score: 8.8
EPSS Score: 0.0%(Probability of exploitation in next 30 days)

Impact

Remote attackers can install and activate unauthorized plugins, potentially compromising system integrity and control.

Mitigation

Update to the version including PR #156 or latest available version.

Social Media Activity(2 posts)

TheHackerWire
TheHackerWire
@thehackerwire
Apr 21, 2026

🟠 CVE-2026-6819 - High (8.8) 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 ... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-6819/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
TheHackerWire
TheHackerWire
@thehackerwire
Apr 21, 2026

🟠 CVE-2026-6819 - High (8.8) 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 ... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-6819/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post

Details

CVE ID
CVE-2026-6819
Severity
High
CVSS Score
8.8
Type
broken_access_control
Status
new
EPSS
0.0%
Social Posts
2

CWE

  • CWE-276

CVSS Metrics

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

EPSS Score

0.0%Probability of exploitation in the next 30 days