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CVE-2026-71966— CyberPanel 2.4.3 Authenticated Command Injection via starRemoteTransfer

Quick assessment

Affected
usmannasir cyberpanel
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.

Usman Nasir CyberPanel是Usman Nasir个人开发者开源的一款Web中间件。 CyberPanel 2.4.3版本存在命令注入漏洞，该漏洞源于远程备份传输功能中的命令注入漏洞，攻击者可通过控制远程服务器API响应中的特制目录名注入恶意命令，绕过安全中间件验证并传递给操作系统命令执行函数，导致执行任意操作系统命令。

CVSS 8.8 · High EPSS 3.28% · P88

Affected Version Matrix 2

VendorProduct Version RangeStatus
usmannasir cyberpanel ≤ 2.4.3 affected
eca0c3cbeb35af8eaae9fafb094e8ef3cd923643 unaffected
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I. Basic Information for CVE-2026-71966

Vulnerability Information
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Vulnerability Title
CyberPanel 2.4.3 Authenticated Command Injection via starRemoteTransfer
Source: CVE Program / CVE List V5
Vulnerability Description
CyberPanel 2.4.3, fixed in commit eca0c3c, contains an authenticated command injection vulnerability in the remote backup transfer feature that allows authenticated attackers to execute arbitrary OS commands by controlling a remote server's API response. Attackers can inject malicious commands through a crafted directory name in the remote server's API response, which bypasses security middleware validation and is passed unsanitized to the OS command execution function.
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
Usman Nasir CyberPanel 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Usman Nasir CyberPanel是Usman Nasir个人开发者开源的一款Web中间件。 CyberPanel 2.4.3版本存在命令注入漏洞，该漏洞源于远程备份传输功能中的命令注入漏洞，攻击者可通过控制远程服务器API响应中的特制目录名注入恶意命令，绕过安全中间件验证并传递给操作系统命令执行函数，导致执行任意操作系统命令。
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
usmannasir cyberpanel 0 ~ 2.4.3 -

II. Public POCs for CVE-2026-71966

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 8688 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-71966

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Patches & Fixes for CVE-2026-71966 (1)

Vendor Advisories for CVE-2026-71966 (1)

Security Blog Posts for CVE-2026-71966 (1)

Same Patch Batch · usmannasir · 2026-08-10 · 3 CVEs total

CVE-2026-71965 8.8 HIGH CyberPanel 2.4.3 Authenticated RCE via Remote Backup Feature
CVE-2026-71964 6.5 MEDIUM CyberPanel 2.4.3 Arbitrary File Read via File Manager ZIP Upload

IV. Related Vulnerabilities

Same product: cyberpanel
Same vendor: usmannasir
Same weakness: CWE-78

V. Comments for CVE-2026-71966

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