CVE-2026-72842 PUBLISHED

OpenWrt luci-app-lxc ACL Inconsistency Authentication Bypass

Assigner: VulnCheck
Reserved: 10.08.2026 Published: 13.08.2026 Updated: 13.08.2026

luci-app-lxc contains an ACL inconsistency vulnerability that allows low-privileged authenticated LuCI users to access backend container management routes without proper authorization checks. Attackers can exploit path traversal via /.%2E in the lxc_name parameter to escape container directories and control host-side scripts executed through lxc.hook.start-host, achieving root code execution on the OpenWrt host.

Metrics

CVSS Vector: 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
CVSS Score: 9.4

Product Status

Vendor openwrt
Product luci
Versions Default: affected

Credits

  • faller-dql reporter

References

Problem Types

  • External Control of File Name or Path CWE