CVE-2026-6823

HIGH

HKUDS OpenHarness Insecure Default Remote Channel Allowlist

Title source: cna
STIX 2.1

Description

HKUDS OpenHarness prior to PR #147 remediation contains an insecure default configuration vulnerability where remote channels inherit allow_from = ["*"] permitting arbitrary remote senders to pass admission checks. Attackers who can reach the configured channel can bypass access controls and reach host-backed agent runtimes, potentially leading to unauthorized file disclosure and read access through default-enabled read-only tools.

Scores

CVSS v3 8.2
EPSS 0.0034
EPSS Percentile 25.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-276
Status published
Products (2)
hkuds/openharness < 0.1.7
HKUDS/OpenHarness < PR #147
Published Apr 21, 2026
Tracked Since Apr 22, 2026