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CVE-2026-40974
Published:April 27, 2026
Updated:May 02, 2026
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.
Affected Packages
https://github.com/spring-projects/spring-boot.git (GITHUB):
Affected version(s) >=v3.5.0 <v3.5.14
Fix Suggestion:
Update to version v3.5.14
https://github.com/spring-projects/spring-boot.git (GITHUB):
Affected version(s) >=v2.7.0 <v2.7.19
Fix Suggestion:
Update to version v2.7.19
https://github.com/spring-projects/spring-boot.git (GITHUB):
Affected version(s) >=v3.3.0 <v3.3.14
Fix Suggestion:
Update to version v3.3.14
https://github.com/spring-projects/spring-boot.git (GITHUB):
Affected version(s) >=v4.0.0 <v4.0.6
Fix Suggestion:
Update to version v4.0.6
https://github.com/spring-projects/spring-boot.git (GITHUB):
Affected version(s) >=v3.4.0 <v3.4.14
Fix Suggestion:
Update to version v3.4.14
org.springframework.boot:spring-boot-autoconfigure (JAVA):
Affected version(s) >=4.0.0 <4.0.6
Fix Suggestion:
Update to version 4.0.6
org.springframework.boot:spring-boot-autoconfigure (JAVA):
Affected version(s) >=3.4.0 <3.4.16
Fix Suggestion:
Update to version 3.4.16
org.springframework.boot:spring-boot-autoconfigure (JAVA):
Affected version(s) >=3.5.0 <3.5.14
Fix Suggestion:
Update to version 3.5.14
org.springframework.boot:spring-boot-autoconfigure (JAVA):
Affected version(s) >=3.3.0 <3.3.19
Fix Suggestion:
Update to version 3.3.19
org.springframework.boot:spring-boot-autoconfigure (JAVA):
Affected version(s) >=2.7.0 <2.7.33
Fix Suggestion:
Update to version 2.7.33
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CVSS v4
Base Score:
2.3
Attack Vector
ADJACENT
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5
Attack Vector
ADJACENT
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Improper Certificate Validation
EPSS
Base Score:
0.01