CVE-2026-72842

criticalCVSS 9.9covered by 1 sourcefirst seen 2026-08-13

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.

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Exploitation outlook

Low exploitation risk0.42% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 35% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-72842: luci-app-lxc contains an ACL inconsistency vulnerability that allows low-privileged authentica…nvd · 2026-08-13

External references

NVD record for CVE-2026-72842

CVE.org record

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