CVE-2026-58000: openwrt luci-proto-openvpn OS Command Injection

Vulnerability summary

CVE-2026-58000 is a high (CVSS 8.8) OS Command Injection vulnerability in openwrt luci-proto-openvpn. EPSS estimates a 2.71% chance of exploitation in the next 30 days, higher than 85.7% of scored vulnerabilities.

Timeline

1. 29-06-2026
   PublishedVulnerability first disclosed.
2. 14-07-2026
   Last modifiedVulnerability information updated.

Description

luci-proto-openvpn through 0.11.1, fixed in commit e4ff45e, contains a command injection vulnerability in the generateKey ubus method where the cl_meta parameter is interpolated into a shell command without proper escaping or quoting. An authenticated LuCI user with OpenVPN protocol configuration access can inject arbitrary shell metacharacters into cl_meta to execute commands as root via the popen function.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.