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Vulnerable Software

Vulnerability Details CVE-2026-40974

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 24.8%

CVSS Severity

CVSS v3 Score 5.0

References

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

Products affected by CVE-2026-40974

Vmware » Spring Boot » Version: 2.7.0

cpe:2.3:a:vmware:spring_boot:2.7.0
Vmware » Spring Boot » Version: 2.7.1

cpe:2.3:a:vmware:spring_boot:2.7.1
Vmware » Spring Boot » Version: 2.7.10

cpe:2.3:a:vmware:spring_boot:2.7.10
Vmware » Spring Boot » Version: 2.7.11

cpe:2.3:a:vmware:spring_boot:2.7.11
Vmware » Spring Boot » Version: 2.7.12

cpe:2.3:a:vmware:spring_boot:2.7.12
Vmware » Spring Boot » Version: 2.7.13

cpe:2.3:a:vmware:spring_boot:2.7.13
Vmware » Spring Boot » Version: 2.7.14

cpe:2.3:a:vmware:spring_boot:2.7.14
Vmware » Spring Boot » Version: 2.7.2

cpe:2.3:a:vmware:spring_boot:2.7.2
Vmware » Spring Boot » Version: 2.7.3

cpe:2.3:a:vmware:spring_boot:2.7.3
Vmware » Spring Boot » Version: 2.7.32

cpe:2.3:a:vmware:spring_boot:2.7.32
Vmware » Spring Boot » Version: 2.7.4

cpe:2.3:a:vmware:spring_boot:2.7.4
Vmware » Spring Boot » Version: 2.7.5

cpe:2.3:a:vmware:spring_boot:2.7.5
Vmware » Spring Boot » Version: 2.7.6

cpe:2.3:a:vmware:spring_boot:2.7.6
Vmware » Spring Boot » Version: 2.7.7

cpe:2.3:a:vmware:spring_boot:2.7.7
Vmware » Spring Boot » Version: 2.7.8

cpe:2.3:a:vmware:spring_boot:2.7.8
Vmware » Spring Boot » Version: 2.7.9

cpe:2.3:a:vmware:spring_boot:2.7.9
Vmware » Spring Boot » Version: 3.3.0

cpe:2.3:a:vmware:spring_boot:3.3.0
Vmware » Spring Boot » Version: 3.3.1

cpe:2.3:a:vmware:spring_boot:3.3.1
Vmware » Spring Boot » Version: 3.3.10

cpe:2.3:a:vmware:spring_boot:3.3.10
Vmware » Spring Boot » Version: 3.3.11

cpe:2.3:a:vmware:spring_boot:3.3.11
Vmware » Spring Boot » Version: 3.3.12

cpe:2.3:a:vmware:spring_boot:3.3.12
Vmware » Spring Boot » Version: 3.3.13

cpe:2.3:a:vmware:spring_boot:3.3.13
Vmware » Spring Boot » Version: 3.3.18

cpe:2.3:a:vmware:spring_boot:3.3.18
Vmware » Spring Boot » Version: 3.3.2

cpe:2.3:a:vmware:spring_boot:3.3.2
Vmware » Spring Boot » Version: 3.3.3

cpe:2.3:a:vmware:spring_boot:3.3.3
Vmware » Spring Boot » Version: 3.3.4

cpe:2.3:a:vmware:spring_boot:3.3.4
Vmware » Spring Boot » Version: 3.3.5

cpe:2.3:a:vmware:spring_boot:3.3.5
Vmware » Spring Boot » Version: 3.3.6

cpe:2.3:a:vmware:spring_boot:3.3.6
Vmware » Spring Boot » Version: 3.3.7

cpe:2.3:a:vmware:spring_boot:3.3.7
Vmware » Spring Boot » Version: 3.3.8

cpe:2.3:a:vmware:spring_boot:3.3.8
Vmware » Spring Boot » Version: 3.3.9

cpe:2.3:a:vmware:spring_boot:3.3.9
Vmware » Spring Boot » Version: 3.4.0

cpe:2.3:a:vmware:spring_boot:3.4.0
Vmware » Spring Boot » Version: 3.4.1

cpe:2.3:a:vmware:spring_boot:3.4.1
Vmware » Spring Boot » Version: 3.4.10

cpe:2.3:a:vmware:spring_boot:3.4.10
Vmware » Spring Boot » Version: 3.4.11

cpe:2.3:a:vmware:spring_boot:3.4.11
Vmware » Spring Boot » Version: 3.4.12

cpe:2.3:a:vmware:spring_boot:3.4.12
Vmware » Spring Boot » Version: 3.4.13

cpe:2.3:a:vmware:spring_boot:3.4.13
Vmware » Spring Boot » Version: 3.4.15

cpe:2.3:a:vmware:spring_boot:3.4.15
Vmware » Spring Boot » Version: 3.4.2

cpe:2.3:a:vmware:spring_boot:3.4.2
Vmware » Spring Boot » Version: 3.4.3

cpe:2.3:a:vmware:spring_boot:3.4.3
Vmware » Spring Boot » Version: 3.4.4

cpe:2.3:a:vmware:spring_boot:3.4.4
Vmware » Spring Boot » Version: 3.4.5

cpe:2.3:a:vmware:spring_boot:3.4.5
Vmware » Spring Boot » Version: 3.4.6

cpe:2.3:a:vmware:spring_boot:3.4.6
Vmware » Spring Boot » Version: 3.4.7

cpe:2.3:a:vmware:spring_boot:3.4.7
Vmware » Spring Boot » Version: 3.4.8

cpe:2.3:a:vmware:spring_boot:3.4.8
Vmware » Spring Boot » Version: 3.4.9

cpe:2.3:a:vmware:spring_boot:3.4.9
Vmware » Spring Boot » Version: 3.5.0

cpe:2.3:a:vmware:spring_boot:3.5.0
Vmware » Spring Boot » Version: 3.5.1

cpe:2.3:a:vmware:spring_boot:3.5.1
Vmware » Spring Boot » Version: 3.5.10

cpe:2.3:a:vmware:spring_boot:3.5.10
Vmware » Spring Boot » Version: 3.5.11

cpe:2.3:a:vmware:spring_boot:3.5.11
Vmware » Spring Boot » Version: 3.5.12

cpe:2.3:a:vmware:spring_boot:3.5.12
Vmware » Spring Boot » Version: 3.5.13

cpe:2.3:a:vmware:spring_boot:3.5.13
Vmware » Spring Boot » Version: 3.5.2

cpe:2.3:a:vmware:spring_boot:3.5.2
Vmware » Spring Boot » Version: 3.5.3

cpe:2.3:a:vmware:spring_boot:3.5.3
Vmware » Spring Boot » Version: 3.5.4

cpe:2.3:a:vmware:spring_boot:3.5.4
Vmware » Spring Boot » Version: 3.5.5

cpe:2.3:a:vmware:spring_boot:3.5.5
Vmware » Spring Boot » Version: 3.5.6

cpe:2.3:a:vmware:spring_boot:3.5.6
Vmware » Spring Boot » Version: 3.5.7

cpe:2.3:a:vmware:spring_boot:3.5.7
Vmware » Spring Boot » Version: 3.5.8

cpe:2.3:a:vmware:spring_boot:3.5.8
Vmware » Spring Boot » Version: 3.5.9

cpe:2.3:a:vmware:spring_boot:3.5.9
Vmware » Spring Boot » Version: 4.0.0

cpe:2.3:a:vmware:spring_boot:4.0.0
Vmware » Spring Boot » Version: 4.0.1

cpe:2.3:a:vmware:spring_boot:4.0.1
Vmware » Spring Boot » Version: 4.0.2

cpe:2.3:a:vmware:spring_boot:4.0.2
Vmware » Spring Boot » Version: 4.0.3

cpe:2.3:a:vmware:spring_boot:4.0.3
Vmware » Spring Boot » Version: 4.0.4

cpe:2.3:a:vmware:spring_boot:4.0.4
Vmware » Spring Boot » Version: 4.0.5

cpe:2.3:a:vmware:spring_boot:4.0.5

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Vulnerability Details CVE-2026-40974

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