What is CVE-2026-27315?

CVE-2026-27315 is a medium-severity vulnerability in Apache Cassandra, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2026-04-07.

How severe is CVE-2026-27315?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Apache Cassandra

CVE-2026-27315

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…

EPSS: 0.002 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Apache Cassandra
Apache Software Foundation Cassandra — versions 4.0

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

security@apache.org (issue-tracking, Patch, Issue Tracking, Vendor Advisory)
security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-27315?: CVE-2026-27315 is a medium-severity vulnerability in Apache Cassandra, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2026-04-07.
How severe is CVE-2026-27315?: Medium severity. CVSS v3 base score is 5.5 out of 10.