CVE-2026-40974CRITICAL 9.8EPSS p7.9%

CVE-2026-40974CVE-2026-40974

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.18% probability of exploitation · percentile 7.9% · 2026-06-19T12:03:05Z
Published2026-04-28
Last modified2026-05-14

Underlying weaknesses· 1

CWE-295

References

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

1

TypeTargetConfidenceTier
WeaknessImproper Certificate Validationcwe-2950%live

Related by meaning· 6

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.