{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2023-34036",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-34036",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2023-07-17T10:00:43.245Z",
    "updatedAt": "2024-10-30T14:52:30.766Z",
    "importedAt": "2026-10-24T01:56:53.804Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Forwarded header exploit with Spring HATEOAS on WebFlux",
      "summary": "\nReactive web applications that use Spring HATEOAS to produce hypermedia-based responses might be exposed to malicious forwarded headers if they are not behind a trusted proxy that ensures correctness of such headers, or if they don't have anything else in place to handle (and possibly discard) forwarded headers either in WebFlux or at the level of the underlying HTTP server.\n\nFor the application to be affected, it needs to satisfy the following requirements:\n\n  *  It needs to use the reactive web stack (Spring WebFlux) and Spring HATEOAS to create links in hypermedia-based responses.\n  *  The application infrastructure does not guard against clients submitting (X-)Forwarded… headers.\n\n\n\n\n\n",
      "affected": [
        {
          "vendor": "Spring",
          "product": "Spring HATEOAS",
          "platforms": [
            "Windows",
            "MacOS",
            "Linux",
            "Android",
            "ARM",
            "64 bit",
            "iOS",
            "32 bit",
            "x86"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1.5.4 or older",
              "status": "affected"
            },
            {
              "version": "2.0.4 or older",
              "status": "affected"
            },
            {
              "version": "2.1.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}