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CVE-2026-7551— HKUDS OpenHarness Remote Command Execution via /bridge Slash Command

Quick assessment

Affected
HKUDS OpenHarness
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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存在操作系统命令注入漏洞，该漏洞源于/bridge slash命令存在远程代码执行问题，可能导致攻击者执行任意操作系统命令。以下版本受到影响：未明确版本。

CVSS 8.8 · High EPSS 0.65% · P51

Affected Version Matrix 1

VendorProduct Version RangeStatus
HKUDS OpenHarness < 438e373 affected
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I. Basic Information for CVE-2026-7551

Vulnerability Information
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Vulnerability Title
HKUDS OpenHarness Remote Command Execution via /bridge Slash Command
Source: CVE Program / CVE List V5
Vulnerability Description
HKUDS OpenHarness contains a remote code execution vulnerability in the /bridge slash command that allows remote senders accepted by configuration to execute arbitrary operating system commands. Attackers can invoke the /bridge spawn command with attacker-controlled command text that is forwarded to the bridge session manager and executed through the shared shell subprocess helper, allowing them to spawn shell sessions as the OpenHarness process user and access local files, credentials, workspace state, and repository contents.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenHarness 操作系统命令注入漏洞
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存在操作系统命令注入漏洞，该漏洞源于/bridge slash命令存在远程代码执行问题，可能导致攻击者执行任意操作系统命令。以下版本受到影响：未明确版本。
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 ~ 438e373 -

II. Public POCs for CVE-2026-7551

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III. Intelligence Information for CVE-2026-7551

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Patches & Fixes for CVE-2026-7551 (2)

Vendor Advisories for CVE-2026-7551 (1)

IV. Related Vulnerabilities

Same product: OpenHarness
Same vendor: HKUDS
Same weakness: CWE-78