Critical (9.8) in lg webos. EPSS 1.1% chance of exploitation in the next 30 days.
A prompt bypass exists in the secondscreen.gateway service running on webOS version 4 through 7. An attacker can create a privileged account without asking the user for the security PIN.
Full versions and TV models affected:
webOS 4.9.7 - 5.30.40 running on LG43UM7000PLA
webOS 5.5.0 - 04.50.51 running on OLED55CXPUA
webOS 6.3.3-442 (kisscurl-kinglake) - 03.36.50 running on OLED48C1PUB
webOS 7.3.1-43 (mullet-mebin) - 03.33.85 running on OLED55A23LA
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)