PT-2026-35546 · Spring · Spring Boot

Published 2026-04-27 · Updated 2026-04-28 · CVE-2026-40974

Mitre

CVSS v3.1

5.0

Medium

AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Spring Boot's Cassandra auto-configuration does not perform hostname verification when establishing an SSL connection to Cassandra.

Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14), 3.4.0–3.4.15 (fix 3.4.16), 3.3.0–3.3.18 (fix 3.3.19), 2.7.0–2.7.32 (fix 2.7.33); Cassandra SSL auto-configuration. Versions that are no longer supported are also affected per vendor advisory.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2026-40974

Affected Products

Spring Boot

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-40974 · Security Note
• https://spring.io/security/cve-2026-40974 · Note