Security advisory

{
  "id": "cfd2a2a46f9a31ef22e57762b2d54d9a7932d0625610ae501c7ec21f86c2a504",
  "url": "https://osv.dev/vulnerability/CVE-2017-11430",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-11430",
    "summary": "OmniAuth OmnitAuth-SAML 1.9.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.",
    "evidence": "osv:CVE-2017-11430",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2017-11430",
      "aliases": [
        "CVE-2017-11430",
        "GHSA-94hm-8q65-rmxm"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/omniauth/omniauth-saml",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "f0deffed88f8d765d3c317413043a60f043b42f1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:omniauth:omniauth_saml:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.9.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.9.0",
            "v1.8.1",
            "v1.8.0",
            "v1.7.0",
            "v1.6.0",
            "v1.5.0",
            "v1.4.2",
            "v1.4.1",
            "v1.4.0",
            "v1.3.1",
            "v1.3.0",
            "v1.2.0",
            "v1.1.0",
            "v1.0.0",
            "v0.9.2",
            "v0.9.1",
            "v0.9.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-11430.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:26.142487203Z",
      "provider": "osv",
      "references": [
        "https://www.kb.cert.org/vuls/id/475445",
        "https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-11430",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431548,
  "published_at": "2019-04-17T14:29:00.433+00:00"
}