CVE-2026-6819

high
Published 2026-04-21 · Modified 2026-05-07
CVSS v3
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2
VIR risk
8.8

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.

Predictions

Exploit likelihood
92%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: disclosure@vulncheck.com — https://github.com/HKUDS/OpenHarness/releases/tag/v0.1.7

vendor Authored 2026-05-27

Vendor advisory: disclosure@vulncheck.com — https://github.com/HKUDS/OpenHarness/pull/156

vendor Authored 2026-05-27

Vendor advisory: disclosure@vulncheck.com — https://github.com/HKUDS/OpenHarness/commit/59017e09880fcf9a6f60456a84fb982900b2c0b2

Application impact

VendorProductVersionsFixed
hkudsopenharness{"endExcluding":"0.1.7"}0.1.7

References

CWEs

CWE-276

Verify integrity in audit chain (admin only). AS-IS.