Security advisory

{
  "id": "473063629c89776d2ea724dec72b6ca690acfea87aea8c9a89a3d5bae5a8ac30",
  "url": "https://osv.dev/vulnerability/CVE-2025-65799",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-65799",
    "summary": "A lack of file name validation or verification in the Attachment service of usememos memos v0.25.2 allows attackers to execute a path traversal.",
    "evidence": "osv:CVE-2025-65799",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-65799",
      "aliases": [
        "CVE-2025-65799",
        "GHSA-qgjp-5g5x-vhq2",
        "GO-2025-4218"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/usememos/memos",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0c0d2a629428ee72f9af074a3fa137ace256d904"
                },
                {
                  "last_affected": "0c0d2a629428ee72f9af074a3fa137ace256d904"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:usememos:memos:0.25.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.25.2"
                      },
                      {
                        "last_affected": "0.25.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.25.2",
            "v0.25.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-65799.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.792086961Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65799.json",
        "https://herolab.usd.de/security-advisories/usd-2025-0056/",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-65799",
        "https://github.com/usememos/memos/pull/5218"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65799.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-65799",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514523,
  "published_at": "2025-12-08T00:00:00+00:00"
}