{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:misp-project:misp:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "2.5.0"
              },
              {
                "fixed": "2.5.38"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0aab6c7e1888573dfa74bd088a41d9235585310c"
            },
            {
              "fixed": "b6c682a71e0689beef4f21200713f25ce8fd998f"
            },
            {
              "fixed": "02932cccab230b295afcaf5aa05e363d30db0ec9"
            }
          ],
          "repo": "https://github.com/misp/misp",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "CIRCL",
    "cwe_ids": [
      "CWE-400"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9137.json"
  },
  "details": "The CSP report endpoint in MISP intended to limit logged CSP reports to 1 KB but incorrectly allowed reports up to 1 MB before truncation. On deployments where the endpoint is reachable by untrusted clients, this could allow attackers to generate excessive log volume and contribute to resource exhaustion or log flooding.",
  "id": "CVE-2026-9137",
  "modified": "2026-08-07T11:31:22.731008574Z",
  "published": "2026-05-20T18:43:30.895Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9137.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9137"
    },
    {
      "type": "FIX",
      "url": "https://github.com/MISP/MISP/commit/02932cccab230b295afcaf5aa05e363d30db0ec9"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "CSP Report Endpoint Log Flooding in MISP via Incorrect Size Limit"
}