GHSA-WW38-37G9-M3Q3

Vulnerability from github – Published: 2026-06-10 00:31 – Updated: 2026-08-12 16:22
VLAI
Summary
Spring Security SAML2 Service Provider: Decryption Oracle Vulnerability from Unsigned SAML Response and Logout Payloads
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.

Affected versions: Spring 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.

Severity
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Show details on source website
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 7.0.5"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "org.springframework.security:spring-security-saml2-service-provider"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.0.0"
            },
            {
              "fixed": "7.0.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 6.5.10"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "org.springframework.security:spring-security-saml2-service-provider"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.5.0"
            },
            {
              "fixed": "6.5.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.springframework.security:spring-security-saml2-service-provider"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.4.0"
            },
            {
              "last_affected": "6.4.16"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.springframework.security:spring-security-saml2-service-provider"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.3.0"
            },
            {
              "last_affected": "6.3.16"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.springframework.security:spring-security-saml2-service-provider"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.8.0"
            },
            {
              "last_affected": "5.8.25"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.springframework.security:spring-security-saml2-service-provider"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "5.7.23"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-41694"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-347"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-08-12T16:22:24Z",
    "nvd_published_at": "2026-06-10T00:16:50Z",
    "severity": "LOW"
  },
  "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.",
  "id": "GHSA-ww38-37g9-m3q3",
  "modified": "2026-08-12T16:22:24Z",
  "published": "2026-06-10T00:31:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41694"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/spring-projects/spring-security"
    },
    {
      "type": "WEB",
      "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Spring Security SAML2 Service Provider: Decryption Oracle Vulnerability from Unsigned SAML Response and Logout Payloads"
}



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