CVE-2026-72841

critical · 9.4

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.

9.4

CVSS

0.6%

EPSS (exploit prob.)

47th

EPSS percentile

2026-08-13

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-73

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-72841