What is CVE-2025-26511?

CVE-2025-26511 is a high-severity vulnerability in NetApp Instaclustr Fork Of Stratio's Cassandra-Lucene-Index Plugin, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2025-02-13.

How severe is CVE-2025-26511?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in NetApp Instaclustr Fork Of Stratio's Cassandra-Lucene-Index Plugin

CVE-2025-26511

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 class: Broken Access Control

EPSS: 0.006 (43.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Netapp Instaclustr Fork Of Stratio's Cassandra-lucene-index Plugin — versions 4.0-rc1-1.0.0, 4.1.2-1.0.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

Frequently asked questions

What is CVE-2025-26511?: CVE-2025-26511 is a high-severity vulnerability in NetApp Instaclustr Fork Of Stratio's Cassandra-Lucene-Index Plugin, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2025-02-13.
How severe is CVE-2025-26511?: High severity. CVSS v3 base score is 8.8 out of 10.