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.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.0.6"
},
{
"introduced": "3.5.0"
},
{
"fixed": "3.5.14"
},
{
"introduced": "3.4.0"
},
{
"fixed": "3.4.16"
},
{
"introduced": "3.3.0"
},
{
"fixed": "3.3.19"
},
{
"introduced": "2.7.0"
},
{
"fixed": "2.7.33"
}
],
"source": "AFFECTED_FIELD"
}
],
"cna_assigner": "vmware",
"cwe_ids": [
"CWE-295"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40974.json"
}{
"extracted_events": [
{
"introduced": "3.5.0"
},
{
"fixed": "3.5.14"
},
{
"introduced": "4.0.0"
},
{
"fixed": "4.0.6"
}
],
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*"
}