CVE-2026-40974 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Spring	Spring Boot

No data.

No data.

References

Link	Providers
https://spring.io/security/cve-2026-40974

History

Tue, 28 Apr 2026 20:00:00 +0000

Type	Values Removed	Values Added
Title		Cassandra SSL Hostname Verification Bypass in Spring Boot Auto‑Configuration

Tue, 28 Apr 2026 13:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 28 Apr 2026 02:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Spring Spring spring Boot
Vendors & Products		Spring Spring spring Boot

Mon, 27 Apr 2026 23:45:00 +0000

Type	Values Removed	Values Added
Description		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.
Weaknesses		CWE-295
References		https://spring.io/security/cve-2026-40974
Metrics		cvssV3_1 `{'score': 5, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L'}`

MITRE

Status: PUBLISHED

Assigner: vmware

Published: 2026-04-27T23:31:40.629Z

Updated: 2026-04-28T12:41:52.250Z

Reserved: 2026-04-16T02:19:04.615Z

Link: CVE-2026-40974

Vulnrichment

Updated: 2026-04-28T12:41:48.185Z

NVD

Status : Awaiting Analysis

Published: 2026-04-28T00:16:24.523

Modified: 2026-04-28T20:11:56.713

Link: CVE-2026-40974

Redhat

No data.

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