CVE-2026-40974
MEDIUMSpring Boot <4.0.6 - SSL Hostname Verification Bypass
Title source: llmDescription
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.
References (1)
Scores
CVSS v3
5.0
EPSS
0.0001
EPSS Percentile
2.7%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-295
Status
published
Products (5)
Spring/Spring Boot
2.7.0 - 2.7.33
Spring/Spring Boot
3.3.0 - 3.3.19
Spring/Spring Boot
3.4.0 - 3.4.16
Spring/Spring Boot
3.5.0 - 3.5.14
Spring/Spring Boot
4.0.0 - 4.0.6
Published
Apr 28, 2026
Tracked Since
Apr 28, 2026