CVE-2025-26511: Netapp Instaclustr Fork Of Stratio's Cassandra-Lucene-Index Plugin

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Netapp Instaclustr Fork Of Stratio's Cassandra-Lucene-Index Plugin: from 4.0-rc1-1.0.0, up to and including 4.0.16-1.0.0; from 4.1.2-1.0.0, up to and including 4.1.8-1.0.0

Published 2025-02-13. Last modified 2026-06-17.