Secuno
ENNL
Book demo

CVE-2026-6819

Hkuds Openharness vulnerability

8.8 HIGHPublic exploitEPSS 0.52%
  1. Published21 Apr 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Hkuds Openharness< 0.1.7

Remediation

Fixed in
Hkuds Openharness≥ 0.1.7

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-863598.5
Dell Repository Manager, versions prior to 3.5.2, contains an Incorrect Default…
CVE-2026-527669.1
YesWiki is a wiki system written in PHP. Prior to version 4.6.6, the…
CVE-2026-773938.8
In Ignition 8.1.53 and earlier, the Gateway "Create Project Role(s)" setting shipped…
CVE-2026-751668.8
Insecure Permission vulnerability in MBS-Solutions X-Serie Gateway firmware V6_00_05…
CVE-2026-174978.3
NoteGen before 0.32.0 grants the Tauri shell plugin shell:allow-execute capability for…
CVE-2023-543668.8
SurrealDB before 1.0.1 sets default table permissions to FULL instead of NONE, allowing…

Frequently asked

Is CVE-2026-6819 being actively exploited?

CVE-2026-6819 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.52%.

How severe is CVE-2026-6819?

CVE-2026-6819 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.52% probability of exploitation.

Which products are affected by CVE-2026-6819?

Affected products include Hkuds Openharness.

How do I fix CVE-2026-6819?

Upgrade affected software to a fixed version, for example Hkuds Openharness 0.1.7 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-6819 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.