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CVE-2026-27314— Apache Cassandra: Privilege escalation via ADD IDENTITY authorization bypass

Quick assessment

Affected
Apache Software Foundation Apache Cassandra
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Cassandra是美国阿帕奇（Apache）基金会的一个分布式Nosql数据库。 Apache Cassandra 5.0版本存在安全漏洞，该漏洞源于在mTLS环境中使用MutualTlsAuthenticator时权限分配不当，可能导致权限提升。

AI Predicted 8.1 Difficulty: Easy EPSS 0.26% · P18
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I. Basic Information for CVE-2026-27314

Vulnerability Information
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Vulnerability Title
Apache Cassandra: Privilege escalation via ADD IDENTITY authorization bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Privilege escalation in Apache Cassandra 5.0 on an mTLS environment using MutualTlsAuthenticator allows a user with only CREATE permission to associate their own certificate identity with an arbitrary role, including a superuser role, and authenticate as that role via ADD IDENTITY. Users are recommended to upgrade to version 5.0.7+, which fixes this issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
特权定义了不安全动作
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Cassandra 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Cassandra是美国阿帕奇（Apache）基金会的一个分布式Nosql数据库。 Apache Cassandra 5.0版本存在安全漏洞，该漏洞源于在mTLS环境中使用MutualTlsAuthenticator时权限分配不当，可能导致权限提升。
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
Apache Software Foundation Apache Cassandra 5.0 ~ 5.0.6 -

II. Public POCs for CVE-2026-27314

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III. Intelligence Information for CVE-2026-27314

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Same Patch Batch · Apache Software Foundation · 2026-04-07 · 6 CVEs total

CVE-2026-34197 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Authenticated users could pe
CVE-2026-33227 Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ Web,
CVE-2026-35554 Apache Kafka Clients: Kafka Producer Message Corruption and Misrouting via Buffer Pool Rac
CVE-2026-27315 Apache Cassandra: cqlsh history sensitive information leak
CVE-2026-32588 Apache Cassandra: Authenticated DoS via ALTER ROLE Password Hashing

IV. Related Vulnerabilities

Same product: Apache Cassandra
Same vendor: Apache Software Foundation
Same weakness: CWE-267

V. Comments for CVE-2026-27314

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