{
"id": "GHSA-m4x9-hx6x-2c43",
"aliases": [
"CVE-2026-40975"
],
"details": "Values produced by ${random.value} are not suitable for use as secrets. ${random.uuid} is not affected. ${random.int} and ${random.long} should never be used for secrets as they are numeric values with a predictable range.\n\nAffected: 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); random value property source / weak PRNG for secrets. Versions that are no longer supported are also affected per vendor advisory.",
"summary": "Spring Boot's random value property source uses a weak PRNG unsuitable for secrets",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.0.6"
}
]
}
],
"package": {
"name": "org.springframework.boot:spring-boot-cassandra",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "3.5.0"
},
{
"fixed": "3.5.14"
}
]
}
],
"package": {
"name": "org.springframework.boot:spring-boot-cassandra",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "3.4.0"
},
{
"last_affected": "3.4.15"
}
]
}
],
"package": {
"name": "org.springframework.boot:spring-boot-cassandra",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "3.3.0"
},
{
"last_affected": "3.3.18"
}
]
}
],
"package": {
"name": "org.springframework.boot:spring-boot-cassandra",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"last_affected": "2.7.32"
}
]
}
],
"package": {
"name": "org.springframework.boot:spring-boot-cassandra",
"ecosystem": "Maven"
}
}
],
"modified": "2026-05-06T18:54:42Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
}
],
"published": "2026-04-28T00:31:41Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40975",
"type": "ADVISORY"
},
{
"url": "https://github.com/spring-projects/spring-boot",
"type": "PACKAGE"
},
{
"url": "https://spring.io/security/cve-2026-40975",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-330"
],
"severity": "MODERATE",
"github_reviewed": true,
"nvd_published_at": "2026-04-28T00:16:24Z",
"github_reviewed_at": "2026-05-06T18:54:42Z"
}
}