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CVE-2026-27315— Apache Cassandra: cqlsh history sensitive information leak

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 4.0版本存在安全漏洞，该漏洞源于cqlsh命令行工具未清理敏感信息，可能导致通过本地文件访问泄露密码等敏感信息。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2026-27315

Vulnerability Information
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Vulnerability Title
Apache Cassandra: cqlsh history sensitive information leak
Source: CVE Program / CVE List V5
Vulnerability Description
Sensitive Information Leak in cqlsh in Apache Cassandra 4.0 allows access to sensitive information, like passwords, from previously executed cqlsh command via  ~/.cassandra/cqlsh_history local file access. Users are recommended to upgrade to version 4.0.20, which fixes this issue. -- Description: Cassandra's command-line tool, cqlsh, provides a command history feature that allows users to recall previously executed commands using the up/down arrow keys. These history records are saved in the ~/.cassandra/cqlsh_history file in the user's home directory. However, cqlsh does not redact sensitive information when saving command history. This means that if a user executes operations involving passwords (such as logging in or creating users) within cqlsh, these passwords are permanently stored in cleartext in the history file on the disk.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
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 4.0版本存在安全漏洞，该漏洞源于cqlsh命令行工具未清理敏感信息，可能导致通过本地文件访问泄露密码等敏感信息。
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 4.0 ~ 4.0.19 -

II. Public POCs for CVE-2026-27315

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III. Intelligence Information for CVE-2026-27315

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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-2026-27314 Apache Cassandra: Privilege escalation via ADD IDENTITY authorization bypass
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-532

V. Comments for CVE-2026-27315

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