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Vulnerabilities CVE-2026-72842

CVE-2026-72842

Critical
Open
TLP:CLEAR

OpenWrt luci-app-lxc ACL Inconsistency Authentication Bypass

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Description

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.

Details

CVSS Score
9.4
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
Confidence
90%
Published
Aug 13, 2026
Last Modified
Aug 13, 2026
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