CVE-2026-27315

Medium

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.

SeverityMedium
CVSS5.5
Exploit probability—
ProductApache Cassandra
PublishedApr 7, 2026
First seenApr 7, 2026
Weakness typeCWE-532CWE-532

How to fix

Update
  • apache cassandra4.0.20 or later
  • org.apache.cassandra:cassandra-all4.0.20 or later

Affected products

ProductAffected versionsFixed in
apache cassandra4.0.0 ≤ v < 4.0.204.0.20
org.apache.cassandra:cassandra-allMaven4.0 ≤ v < 4.0.204.0.20

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