Instaclustr Cassandra-Lucene-Index RBAC Bypass 4.0-rc1-4.1.8
CVE-2025-26511 Published on February 13, 2025
Cassandra-Lucene-Index allows bypass of Cassandra RBAC
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.
Vulnerability Analysis
CVE-2025-26511 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2025-26511 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2025-26511
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Affected Versions
NetApp Instaclustr fork of Stratio's Cassandra-Lucene-Index plugin:- Version 4.0-rc1-1.0.0, <= 4.0.16-1.0.0 is affected.
- Version 4.1.2-1.0.0, <= 4.1.8-1.0.0 is affected.
Vulnerable Packages
The following package name and versions may be associated with CVE-2025-26511
| Package Manager | Vulnerable Package | Versions | Fixed In |
|---|---|---|---|
| maven | com.instaclustr:cassandra-lucene-index-plugin | >= 4.0-rc1-1.0.0, < 4.0.17-1.0.0 | 4.0.17-1.0.0 |
| maven | com.instaclustr:cassandra-lucene-index-plugin | >= 4.1.0-1.0.0, < 4.1.8-1.0.1 | 4.1.8-1.0.1 |
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.