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CVE-2026-6819

HKUDS OpenHarness Plugin Management Command Exposure

Published: Apr 21, 2026Updated: Apr 21, 2026 Sources: CVE List
NVD MITRE
8.8CVSS
HIGH

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-276CWE-276 Incorrect Default Permissions

Affected Products

OpenHarness
HKUDS

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

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
github.com
and 1 more references View all →

Timeline

Published
Apr 21, 2026
Last Updated
Apr 21, 2026

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