CVE-2026-6823
HKUDS OpenHarness Insecure Default Remote Channel Allowlist
- State
- Published
- Severity
- 8.3 High
- Published
- Apr 21, 2026
- Updated
- Jul 14, 2026
- Reserved
- Apr 21, 2026
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 | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.3 High | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.2 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N | VulnCheck |
Weaknesses
- CWE-276 Incorrect Default Permissions
Affected Products
| Product | Versions |
|---|---|
OpenHarnessHKUDS |
|
References
- Pull Requestissue-tracking
- Patch Commitpatch
- Release Notesthird-party-advisory
- https://www.vulncheck.com/advisories/hkuds-openharness-insecure-default-remote-channel-allowlistthird-party-advisory
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