CVE-2026-72841

CRITICAL 9.9

luci-app-openvpn Path Traversal RCE via instance_name2

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-73
Vendor	openwrt
Product	luci
Published	Aug 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

openwrt / luci

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openwrt/luci/security/advisories/GHSA-jjcx-c284-2qv8 vulncheck.com: https://www.vulncheck.com/advisories/luci-app-openvpn-path-traversal-rce-via-instance-name2

Credits

🔍 faller-dql