Vmware Spring Boot up to 4.0.5 Cassandra Auto-Configuration certificate validation

Summaryinfo

A vulnerability was found in Vmware Spring Boot up to 2.7.32/3.3.18/3.4.15/3.5.13/4.0.5. It has been rated as critical. This issue affects some unknown processing of the component Cassandra Auto-Configuration. The manipulation leads to certificate validation. This vulnerability is documented as CVE-2026-40974. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Vmware Spring Boot up to 2.7.32/3.3.18/3.4.15/3.5.13/4.0.5. It has been rated as problematic. This issue affects an unknown function of the component Cassandra Auto-Configuration. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is integrity. The summary by CVE is:

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.

It is possible to read the advisory at spring.io. The identification of this vulnerability is CVE-2026-40974 since 04/16/2026. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/04/2026). The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

Upgrading to version 2.7.33, 3.3.19, 3.4.16, 3.5.14 or 4.0.6 eliminates this vulnerability.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202604-5561) and CERT Bund (WID-SEC-2026-1263). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

• Red Hat Enterprise Linux
• VMware Tanzu Spring Boot
• HCL Commerce
• Red Hat OpenShift

Productinfo

Vendor

• Vmware

Name

• Spring Boot

Version

• 2.7.0
• 2.7.1
• 2.7.2
• 2.7.3
• 2.7.4
• 2.7.5
• 2.7.6
• 2.7.7
• 2.7.8
• 2.7.9
• 2.7.10
• 2.7.11
• 2.7.12
• 2.7.13
• 2.7.14
• 2.7.15
• 2.7.16
• 2.7.17
• 2.7.18
• 2.7.19
• 2.7.20
• 2.7.21
• 2.7.22
• 2.7.23
• 2.7.24
• 2.7.25
• 2.7.26
• 2.7.27
• 2.7.28
• 2.7.29
• 2.7.30
• 2.7.31
• 2.7.32
• 3.3.0
• 3.3.1
• 3.3.2
• 3.3.3
• 3.3.4
• 3.3.5
• 3.3.6
• 3.3.7
• 3.3.8
• 3.3.9
• 3.3.10
• 3.3.11
• 3.3.12
• 3.3.13
• 3.3.14
• 3.3.15
• 3.3.16
• 3.3.17
• 3.3.18
• 3.4.0
• 3.4.1
• 3.4.2
• 3.4.3
• 3.4.4
• 3.4.5
• 3.4.6
• 3.4.7
• 3.4.8
• 3.4.9
• 3.4.10
• 3.4.11
• 3.4.12
• 3.4.13
• 3.4.14
• 3.4.15
• 3.5.0
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5
• 3.5.6
• 3.5.7
• 3.5.8
• 3.5.9
• 3.5.10
• 3.5.11
• 3.5.12
• 3.5.13
• 4.0.0
• 4.0.1
• 4.0.2
• 4.0.3
• 4.0.4
• 4.0.5

License

• commercial

Website

• Vendor: https://www.vmware.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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