CVE-2026-6823— HKUDS OpenHarness Insecure Default Remote Channel Allowlist
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I. Basic Information for CVE-2026-6823
Vulnerability Information
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Vulnerability Title
HKUDS OpenHarness Insecure Default Remote Channel Allowlist
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
缺省权限不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenHarness 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenHarness是Data Intelligence Lab@HKU开源的一个轻量级智能体开发与运行框架。 OpenHarness PR #147之前版本存在安全漏洞，该漏洞源于远程通道继承allow_from = [ * ]的不安全默认配置，允许任意远程发送者通过准入检查，可能导致攻击者绕过访问控制，访问主机代理运行时，造成未授权文件泄露和读取访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| HKUDS | OpenHarness | 0 ~ PR #147 | - |
II. Public POCs for CVE-2026-6823
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: OpenHarness
- CVE-2026-7551
HKUDS OpenHarness Remote Command Execution via /bridge Slash - CVE-2026-6819
HKUDS OpenHarness Plugin Management Command Exposure - CVE-2026-6729
HKUDS OpenHarness Session Key Collision Privilege Escalation - CVE-2026-40516
OpenHarness SSRF via web_fetch and web_search - CVE-2026-40515
OpenHarness Permission Bypass via grep and glob root argumen
Same vendor: HKUDS
- CVE-2026-7551
HKUDS OpenHarness Remote Command Execution via /bridge Slash - CVE-2026-6819
HKUDS OpenHarness Plugin Management Command Exposure - CVE-2026-6729
HKUDS OpenHarness Session Key Collision Privilege Escalation - CVE-2026-40516
OpenHarness SSRF via web_fetch and web_search - CVE-2026-40515
OpenHarness Permission Bypass via grep and glob root argumen
Same weakness: CWE-276
V. Comments for CVE-2026-6823
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