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CVE-2025-26511— Cassandra-Lucene-Index allows bypass of Cassandra RBAC

Quick assessment

Affected
NetApp Instaclustr fork of Stratio's Cassandra-Lucene-Index plugin
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

cassandra-lucene-index是NetApp Instaclustr开源的一个基于 Lucene 的 Cassandra 二级索引。 cassandra-lucene-index存在安全漏洞。经过身份验证的攻击者利用该漏洞可以远程绕过RBAC并提升其权限。

CVSS 8.8 · High EPSS 0.57% · P46

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2025-26511

Vulnerability Information
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Vulnerability Title
Cassandra-Lucene-Index allows bypass of Cassandra RBAC
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
cassandra-lucene-index 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cassandra-lucene-index是NetApp Instaclustr开源的一个基于 Lucene 的 Cassandra 二级索引。 cassandra-lucene-index存在安全漏洞。经过身份验证的攻击者利用该漏洞可以远程绕过RBAC并提升其权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NetApp Instaclustr fork of Stratio's Cassandra-Lucene-Index plugin 4.0-rc1-1.0.0 ~ 4.0.16-1.0.0 -

II. Public POCs for CVE-2025-26511

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8898 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2025-26511

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Vendor Advisories for CVE-2025-26511 (1)

IV. Related Vulnerabilities

Same vendor: NetApp
Same weakness: CWE-863

V. Comments for CVE-2025-26511

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