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TI-2025-19450 Aliases CVE-2025-26511GHSA-mrqp-q7vx-v2cx

Cassandra-Lucene-Index allows bypass of Cassandra RBAC

Priority MEDIUM 41CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-863.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00575 47th percentileScored 2026-11-07
Fix Fixed com.instaclustr:cassandra-lucene-index-plugin (Maven): 4.0.17-1.0.0, 4.1.8-1.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NetAppInstaclustr fork of Stratio's Cassandra-Lucene-Index plugin4.0-rc1-1.0.0 – 4.0.16-1.0.0; 4.1.2-1.0.0 – 4.1.8-1.0.0—No fix listedCNA
—com.instaclustr:cassandra-lucene-index-plugin (Maven)4.0-rc1-1.0.0 to before 4.0.17-1.0.04.0.17-1.0.0Patch availableGHSA-mrqp-q7vx-v2cx
—com.instaclustr:cassandra-lucene-index-plugin (Maven)4.1.0-1.0.0 to before 4.1.8-1.0.14.1.8-1.0.1Patch availableGHSA-mrqp-q7vx-v2cx
  • Instaclustr fork of Stratio's Cassandra-Lucene-Index plugin VendorNetApp Affected 4.0-rc1-1.0.0 – 4.0.16-1.0.0; 4.1.2-1.0.0 – 4.1.8-1.0.0 Fixed in — No fix listed CNA
  • com.instaclustr:cassandra-lucene-index-plugin (Maven) Vendor— Affected 4.0-rc1-1.0.0 to before 4.0.17-1.0.0 Fixed in 4.0.17-1.0.0 Patch available GHSA-mrqp-q7vx-v2cx
  • com.instaclustr:cassandra-lucene-index-plugin (Maven) Vendor— Affected 4.1.0-1.0.0 to before 4.1.8-1.0.1 Fixed in 4.1.8-1.0.1 Patch available GHSA-mrqp-q7vx-v2cx

Remediation

  • Fix · GHSA-mrqp-q7vx-v2cx com.instaclustr:cassandra-lucene-index-plugin (Maven) Fixed in 4.0.17-1.0.0 Advisory →
  • Fix · GHSA-mrqp-q7vx-v2cx com.instaclustr:cassandra-lucene-index-plugin (Maven) Fixed in 4.1.8-1.0.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-26511
  2. 2026-10-03 Alias added: GHSA-mrqp-q7vx-v2cx

References

  • TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
  • TI-2024-36205 Redfish Authentication Bypass KEVCVSS 4.0CRITICAL 10.0
  • TI-2023-25106 Deserialization of untrusted data in Apache ActiveMQ KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-18535 Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-18417 Path traversal and file disclosure vulnerability in Apache HTTP Server 2.4.49 KEVCVSS 3.1CRITICAL 9.8
See all 2527 →

Sources