{
  "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-2026-91855",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-91855",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-15T16:45:07.926Z",
    "updatedAt": "2026-09-15T17:44:40.050Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "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": "Open5GS PFCP Message handler.c denial of service",
      "summary": "A security flaw has been discovered in Open5GS up to 2.7.7. Affected by this vulnerability is an unknown functionality of the file lib/pfcp/handler.c of the component PFCP Message Handler. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The patch is named 028e1dbb5e3271035ccee906ef417a97fc523f71. Applying a patch is the recommended action to fix this issue. CVE-2025-29339 describes a different assertion failure vulnerability in Open5GS UPF.",
      "affected": [
        {
          "vendor": "n/a",
          "product": "Open5GS",
          "versions": [
            {
              "version": "2.7.0",
              "status": "affected"
            },
            {
              "version": "2.7.1",
              "status": "affected"
            },
            {
              "version": "2.7.2",
              "status": "affected"
            },
            {
              "version": "2.7.3",
              "status": "affected"
            },
            {
              "version": "2.7.4",
              "status": "affected"
            },
            {
              "version": "2.7.5",
              "status": "affected"
            },
            {
              "version": "2.7.6",
              "status": "affected"
            },
            {
              "version": "2.7.7",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}