RCE in N/a

CVE-2026-26899

An issue was discovered in luci-app-https-dns-proxy on OpenWrt PR #15 (< 2026-01-17). The setInitAction function in /usr/libexec/rpcd/luci.https-dns-proxy allows authenticated users to execute arbitrary shell commands via shell metacharacters in the name parameter

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

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: 0.008 (54.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-26899: held from 0.005 to 0.008.

EPSS over last 30 days · oldest: 0.005 · newest: 0.008 · change: +0.003

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-26899?
CVE-2026-26899 is a high-severity vulnerability in N/a, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-08-27.
How severe is CVE-2026-26899?
High severity. CVSS v3 base score is 8.8 out of 10.