High (8.8). EPSS 0.6% chance of exploitation in the next 30 days. Fixed in com.instaclustr:cassandra-lucene-index-plugin 4.0.17-1.0.0, 4.1.8-1.0.1.
Systems running the Instaclustr
fork of Stratio's Cassandra-Lucene-Index plugin versions 4.0-rc1-1.0.0
through 4.0.16-1.0.0 and 4.1.2-1.0.0 through 4.1.8-1.0.0, installed into
Apache Cassandra version 4.x, are susceptible to a vulnerability which
when successfully exploited could allow authenticated Cassandra users to
remotely bypass RBAC and escalate their privileges.
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)