CVE-2026-72841

luci-app-openvpn Path Traversal RCE via instance_name2

Published Aug 13, 2026 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:openwrt:luci:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Openwrt
Openwrt luci
Vendors & Products Openwrt
Openwrt luci
Type Values Removed Values Added
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.
Title luci-app-openvpn Path Traversal RCE via instance_name2
Weaknesses CWE-73
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 30, 2026, 5:20 PM
Reserved
Aug 10, 2026, 3:13 PM
Status
Deferred
Published
Aug 13, 2026, 10:17 PM
Modified
Sep 30, 2026, 6:18 PM