CVE-2025-26511

high

Description

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.

References

https://github.com/instaclustr/cassandra-lucene-index/security/advisories/GHSA-mrqp-q7vx-v2cx

https://github.com/instaclustr/cassandra-lucene-index/commit/44ab4b639c9354a6335f40b1cf6178c745c6e101

Details

Source: Mitre, NVD

Published: 2025-02-13

Updated: 2026-04-15

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00046