CVE-2026-72841— luci-app-openvpn Path Traversal RCE via instance_name2
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I. Basic Information for CVE-2026-72841
Vulnerability Information
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Vulnerability Title
luci-app-openvpn Path Traversal RCE via instance_name2
Source: CVE Program / CVE List V5
Vulnerability Description
luci-app-openvpn fails to properly validate the instance_name2 parameter during file upload, allowing authenticated users to perform path traversal and write arbitrary files outside the intended directory. Attackers can upload malicious payloads to gain persistent root code execution by placing SSH keys in system directories accessible on reboot.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-72841
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCVerified env Premium
Qwen3.6-35B-A3B · 9568 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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III. Intelligence Information for CVE-2026-72841
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Vendor Advisories for CVE-2026-72841 (2)
Same Patch Batch · openwrt · 2026-08-13 · 3 CVEs total
| CVE-2026-72842 | 9.9 CRITICAL | OpenWrt luci-app-lxc ACL Inconsistency Authentication Bypass |
| CVE-2026-72840 | 8.8 HIGH | OpenWrt LuCI luci-mod-system-mounts ACL Root RCE via Crontab Write |
IV. Related Vulnerabilities
Same product: luci
- CVE-2026-72842
OpenWrt luci-app-lxc ACL Inconsistency Authentication Bypass - CVE-2026-72840
OpenWrt LuCI luci-mod-system-mounts ACL Root RCE via Crontab - CVE-2026-69096
OpenWrt luci-app-dockerman Read ACL Remote Code Execution - CVE-2026-69095
OpenWrt luci-app-bmx7 Path Traversal via bmx7-info - CVE-2026-68583
luci-app-adblock-fast before 1.2.4-4 Stored XSS via file_url
Same vendor: openwrt
- CVE-2026-72842
OpenWrt luci-app-lxc ACL Inconsistency Authentication Bypass - CVE-2026-72840
OpenWrt LuCI luci-mod-system-mounts ACL Root RCE via Crontab - CVE-2026-69096
OpenWrt luci-app-dockerman Read ACL Remote Code Execution - CVE-2026-69095
OpenWrt luci-app-bmx7 Path Traversal via bmx7-info - CVE-2026-68583
luci-app-adblock-fast before 1.2.4-4 Stored XSS via file_url
Same weakness: CWE-73
- CVE-2026-72842
OpenWrt luci-app-lxc ACL Inconsistency Authentication Bypass - CVE-2026-17482
IBM Documentation Offline is vulnerable to information discl - CVE-2026-16987
IBM i is Affected By An Improper Validation Vulnerability in - CVE-2026-16898
IBM i is Affected By Multiple Vulnerabilities in Network Aut - CVE-2026-45725
compliance-trestle Remote Fetching Mechanism has an Arbitrar
V. Comments for CVE-2026-72841
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