Privilege escalation when enabling FQL/Audit logs allows user with JMX access to run arbitrary commands as the user running Apache Cassandra
This issue affects Apache Cassandra: from 4.0.0 through 4.0.9, from 4.1.0 through 4.1.1.
WORKAROUND
The vulnerability requires nodetool/JMX access to be exploitable, disable access for any non-trusted users.
MITIGATION
Upgrade to 4.0.10 or 4.1.2 and leave the new FQL/Auditlog configuration property allow_nodetool_archive_command as false.
Severity
CVSS 3.1
7.8 high
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-31)