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CVE-2026-76761— chenhg5 cc-connect Management API engine.go shellExecCommand os command injection

Quick assessment

Affected
chenhg5 cc-connect
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

cg33 CC-Connect是cg33个人开发者的一款网络连接设备。 cg33 CC-Connect 1.4.1及之前版本存在命令注入漏洞，该漏洞源于Management API组件中core/engine.go文件的shellExecCommand函数对exec参数的操作，可能导致os命令注入。

CVSS 7.3 · High EPSS 1.58% · P74

Affected Version Matrix 2

VendorProduct Version RangeStatus
chenhg5 cc-connect 1.4.0 affected
1.4.1 affected
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I. Basic Information for CVE-2026-76761

Vulnerability Information
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Vulnerability Title
chenhg5 cc-connect Management API engine.go shellExecCommand os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in chenhg5 cc-connect up to 1.4.1. This affects the function shellExecCommand of the file core/engine.go of the component Management API. Such manipulation of the argument exec leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The reported GitHub issue was closed automatically due to inactivity.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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
cg33 CC-Connect 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cg33 CC-Connect是cg33个人开发者的一款网络连接设备。 cg33 CC-Connect 1.4.1及之前版本存在命令注入漏洞，该漏洞源于Management API组件中core/engine.go文件的shellExecCommand函数对exec参数的操作，可能导致os命令注入。
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
chenhg5 cc-connect 1.4.0 cpe:2.3:a:chenhg5:cc-connect:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-76761

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: os command injection via Management API exec arg -> shellExecCommand; observed: uid=0(root) gid=0(root) groups=0(root); exfiltrated PROOF_0199d0d0fd2bffaf
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
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claude_code · 7738 chars
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III. Intelligence Information for CVE-2026-76761

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News Coverage for CVE-2026-76761 (1)

Other References for CVE-2026-76761 (2)

IV. Related Vulnerabilities

Same product: cc-connect
Same vendor: chenhg5
Same weakness: CWE-78

V. Comments for CVE-2026-76761

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