{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.1.13"
              },
              {
                "fixed": "0.1.13"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1ab28eb11928d66d50af8f231ccb71f7c1923fda"
            }
          ],
          "repo": "https://github.com/krakenjs/passport-saml-encrypted",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-347"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89043.json"
  },
  "details": "passport-saml-encrypted through 0.1.13 contains an XML signature wrapping vulnerability where signature verification and assertion extraction use independent XPath lookups with no cross-validation. Attackers holding any validly signed SAML message can prepend a forged unsigned assertion that gets accepted as the verified identity while the genuine signature validates against the original assertion.",
  "id": "CVE-2026-89043",
  "modified": "2026-09-12T03:30:35.218101819Z",
  "published": "2026-09-10T17:39:33.458Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/package/passport-saml-encrypted"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89043.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89043"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/passport-saml-encrypted-through-0.1.13-xml-signature-wrapping-via-assertion-prepending"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/krakenjs/passport-saml-encrypted/issues/30"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/krakenjs/passport-saml-encrypted"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/krakenjs/passport-saml-encrypted/blob/v0.1.13/lib/saml.js#L256"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/krakenjs/passport-saml-encrypted/blob/v0.1.13/lib/saml.js#L328"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "passport-saml-encrypted through 0.1.13 XML Signature Wrapping via Assertion Prepending"
}