{
"id": "GHSA-ww38-37g9-m3q3",
"aliases": [
"CVE-2026-41694"
],
"details": "Since Spring Security SAML decrypts SAML Responses as well as elements of SAML LogoutRequests and LogoutResponses without requiring a valid signature, attackers may be able to craft these SAML payloads and use the Service Provider as a decryption oracle.\n\nAffected versions:\nSpring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10; 7.0.0 through 7.0.5.",
"summary": "Spring Security SAML2 Service Provider: Decryption Oracle Vulnerability from Unsigned SAML Response and Logout Payloads",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "7.0.0"
},
{
"fixed": "7.0.6"
}
]
}
],
"package": {
"name": "org.springframework.security:spring-security-saml2-service-provider",
"ecosystem": "Maven"
},
"database_specific": {
"last_known_affected_version_range": "<= 7.0.5"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.5.0"
},
{
"fixed": "6.5.11"
}
]
}
],
"package": {
"name": "org.springframework.security:spring-security-saml2-service-provider",
"ecosystem": "Maven"
},
"database_specific": {
"last_known_affected_version_range": "<= 6.5.10"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.4.0"
},
{
"last_affected": "6.4.16"
}
]
}
],
"package": {
"name": "org.springframework.security:spring-security-saml2-service-provider",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.3.0"
},
{
"last_affected": "6.3.16"
}
]
}
],
"package": {
"name": "org.springframework.security:spring-security-saml2-service-provider",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.8.0"
},
{
"last_affected": "5.8.25"
}
]
}
],
"package": {
"name": "org.springframework.security:spring-security-saml2-service-provider",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.7.23"
}
]
}
],
"package": {
"name": "org.springframework.security:spring-security-saml2-service-provider",
"ecosystem": "Maven"
}
}
],
"modified": "2026-08-12T16:22:24Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
}
],
"published": "2026-06-10T00:31:51Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41694",
"type": "ADVISORY"
},
{
"url": "https://github.com/spring-projects/spring-security",
"type": "PACKAGE"
},
{
"url": "https://github.com/spring-projects/spring-security/releases/tag/6.5.11",
"type": "WEB"
},
{
"url": "https://github.com/spring-projects/spring-security/releases/tag/7.0.6",
"type": "WEB"
},
{
"url": "https://spring.io/security/cve-2026-41694",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-347"
],
"severity": "LOW",
"github_reviewed": true,
"nvd_published_at": "2026-06-10T00:16:50Z",
"github_reviewed_at": "2026-08-12T16:22:24Z"
}
}