High, CVSS 8.8MavenPublished
Instaclustr Cassandra-Lucene-Index allows bypass of Cassandra RBAC
CVE-2025-26511 · GHSA-mrqp-q7vx-v2cx
- Affected
- Maven com.instaclustr:cassandra-lucene-index-plugin >= 4.0-rc1-1.0.0, < 4.0.17-1.0.0; >= 4.1.0-1.0.0, < 4.1.8-1.0.1
- Fixed in
- 4.0.17-1.0.04.1.8-1.0.1· Vendor fix available
- Issue
- / Details 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 4.1.0-1.0.0 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 to access data and and escalate their privileges. Affected Versions - Cassandra-Lucene-Index plugin versions 4.0-rc1-1.0.0 through 4.0.16-1.0.0 - versions 4.1.0-1.0.0 through 4.1.8-1.0.0 when installed into Apache Cassandra version 4.x. Required Configuration for Exploit These are the conditions required to enable exploit: 1. Cassandra 4.x 2. Vulnerable version of the Cassandra-Lucene-Index plugin configured for use 3. Data added to tables 4. Lucene index created 5. Cassandra flush has run Mitigation/Prevention Mitigation requires dropping all Lucene indexes and stopping use of the plugin. Exploit will be possible any time the…
Recommended action: Upgrade to 4.1.8-1.0.1 (pre-release) or 4.0.17-1.0.0 (pre-release) by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.