What is CVE-2026-58000?

CVE-2026-58000 is a high-severity vulnerability in Openwrt Luci, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-06-29.

How severe is CVE-2026-58000?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Openwrt Luci

CVE-2026-58000

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.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-06-29 · last modified 2026-07-14.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Openwrt Luci — versions 0, e4ff45ecbc6ad212951815c8c99b2749fbd7de6b
Openwrt Luci-Proto-Openvpn — versions 0, e4ff45ecbc6ad212951815c8c99b2749fbd7de6b

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/openwrt/luci/security/advisories/GHSA-pm9w-522m-8rrh (vendor-advisory)
github.com/openwrt/luci/commit/e4ff45ecbc6ad212951815c8c99b2749fbd7de6b (patch)
www.vulncheck.com/advisories/luci-proto-openvpn-command-injection-via-cl-meta-p… (third-party-advisory)

Frequently asked questions

What is CVE-2026-58000?: CVE-2026-58000 is a high-severity vulnerability in Openwrt Luci, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-06-29.
How severe is CVE-2026-58000?: High severity. CVSS v3 base score is 8.8 out of 10.