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5.0
CVE-2026-40974EXPLOITEDPATCHED
spring · spring boot

CVE-2026-40974: Spring Boot's Cassandra auto-configuration does not perform hostname verification when establishing an SSL connection to

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.

Affected Products

VendorProductVersions
springspring boot4.0.0, 3.5.0, 3.4.0, 3.3.0, 2.7.0

References

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

Related News (1 articles)

Tier C
VulDB1d ago
CVE-2026-40974 | Vmware Spring Boot up to 4.0.5 Cassandra Auto-Configuration certificate validation
→ No new info (linked only)
CVSS 3.15.0 CRITICAL
VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
4.0.63.5.143.4.163.3.192.7.33
CWECWE-295
PublishedApr 27, 2026
Last enriched1d agov2
Trending Score42
Source articles1
Independent1
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Apr 27, 2026
Actively Exploited
Apr 28, 2026
Patch Available
Apr 28, 2026
Discovered by ZDM
Apr 28, 2026
Updated: severity, activelyExploited
Apr 28, 2026

Version History

v2
Last enriched 1d ago
v2Tier C1d ago

Updated severity to CRITICAL and marked the vulnerability as actively exploited.

severityactivelyExploited
via VulDB
v11d ago

Initial creation