{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "819db11a08b9736a3576c4f99ceb28f7eb99523a"
            }
          ],
          "repo": "https://github.com/open5gs/open5gs",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-404"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8744.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "2.7.0"
          },
          {
            "last_affected": "2.7.0"
          },
          {
            "introduced": "2.7.1"
          },
          {
            "last_affected": "2.7.1"
          },
          {
            "introduced": "2.7.2"
          },
          {
            "last_affected": "2.7.2"
          },
          {
            "introduced": "2.7.3"
          },
          {
            "last_affected": "2.7.3"
          },
          {
            "introduced": "2.7.4"
          },
          {
            "last_affected": "2.7.4"
          },
          {
            "introduced": "2.7.5"
          },
          {
            "last_affected": "2.7.5"
          },
          {
            "introduced": "2.7.6"
          },
          {
            "last_affected": "2.7.6"
          },
          {
            "introduced": "2.7.7"
          },
          {
            "last_affected": "2.7.7"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function ogs_sbi_subscription_data_add/ogs_sbi_nf_service_add in the library /lib/sbi/context.c of the component NRF. Executing a manipulation can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. This patch is called 819db11a08b9736a3576c4f99ceb28f7eb99523a. A patch should be applied to remediate this issue.",
  "id": "CVE-2026-8744",
  "modified": "2026-08-05T03:30:18.973552984Z",
  "published": "2026-05-17T09:15:11.820Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8744.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8744"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/817029"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/817030"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/364331"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/open5gs/open5gs/issues/4465"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/open5gs/open5gs/issues/4466"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/364331/cti"
    },
    {
      "type": "FIX",
      "url": "https://github.com/open5gs/open5gs/commit/819db11a08b9736a3576c4f99ceb28f7eb99523a"
    },
    {
      "type": "FIX",
      "url": "https://github.com/open5gs/open5gs/pull/4534"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Open5GS NRF context.c ogs_sbi_nf_service_add denial of service"
}