# CVE-2026-6819: HKUDS OpenHarness prior to PR #156 remediation exposes plugin lifecycle commands including /plugin install, /plugin…

Source: https://junglewise.ai/threats/cve-2026-6819-hkuds-openharness-prior-to-pr-156-remediation-exposes-plugin  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-21  
License: CC BY 4.0 with a link back

CVE-2026-6819 · Severity: high · CVSS 8.8 · Published 2026-04-21

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.

Technologies: [HKUDS OpenHarness](https://junglewise.ai/threats/technologies/openharness). Vendors: [HKUDS](https://junglewise.ai/threats/vendors/hkuds).

## Quick answers

**Is CVE-2026-6819 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-6819 being exploited in the wild.

**How severe is CVE-2026-6819?** High severity, with a CVSS score of 8.8, published 21 April 2026.

**Which products and versions are affected?** HKUDS OpenHarness. The advisory does not name versions.

**Is there a fix for CVE-2026-6819?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-6819?** Check whether you run HKUDS OpenHarness. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- HKUDS OpenHarness

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