HKUDS OpenHarness Insecure Default Remote Channel Allowlist_CVE-2026-6823

8.3 / 10

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

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.

Basic Information

ID CVE-2026-6823

Source VulnCheck

Published Apr 21, 2026 at 20:36

Affected Product

Vendor HKUDS

Product OpenHarness

Affected Versions HKUDS OpenHarness 0

CWE Classification

CWE-276

References

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    "lastseen": "",
    "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.",
    "published": "2026-04-21T20:36:45.867Z",
    "modified": "2026-04-21T20:36:45.867Z",
    "type": "cve",
    "title": "HKUDS OpenHarness Insecure Default Remote Channel Allowlist",
    "source": "VulnCheck",
    "references": "https://github.com/HKUDS/OpenHarness/pull/147\nhttps://github.com/HKUDS/OpenHarness/commit/fab40c6eabfb15f2bdf23cddd3cfe66a64ea203d\nhttps://github.com/HKUDS/OpenHarness/releases/tag/v0.1.7\nhttps://www.vulncheck.com/advisories/hkuds-openharness-insecure-default-remote-channel-allowlist",
    "id": "CVE-2026-6823",
    "bulletinFamily": "",
    "cwe": [
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    "cvelist": null,
    "sourceData": "HKUDS OpenHarness 0",
    "sourceHref": "",
    "cvss": {
        "score": 8.3,
        "severity": "HIGH",
        "vector": "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",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
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        "baseScore": 0,
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        "privilegesRequired": "",
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        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
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    "product": "OpenHarness",
    "version": "0",
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}