{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "v0.30.0"
              }
            ],
            "source": "DESCRIPTION"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2036c1ffc1b0a1e1fa6a473738c2a5ef520df67f"
            }
          ],
          "repo": "https://github.com/usememos/memos",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/51xxx/CVE-2026-51583.json"
  },
  "details": "An issue in usememos through v0.30.0 allows a remote authenticated attacker to perform Server-Side Request Forgery (SSRF) via the Webhook validation mechanism in internal/webhook/validate.go, by setting a webhook target to an internal address.",
  "id": "CVE-2026-51583",
  "modified": "2026-08-14T03:51:40.903750111Z",
  "published": "2026-08-11T00:00:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://gist.github.com/seiyaibuki0523/d8af15eb555808319a2633269a9ebb80"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/51xxx/CVE-2026-51583.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-51583"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/usememos/memos"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}