In CentOS-WebPanel.com (aka CWP) CentOS Web Panel 0.9.8.836, a cwpsrv-xxx cookie allows a normal user to craft and upload a session file to the /tmp directory, and use it to become the root user.
Severity
CVSS 3.0
7.5 high
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
26% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)