Security advisory

{
  "id": "8bd1b1b3efb4b430992da82db70025ff5aaf2b59dcb1d0af1bbb56632733fd07",
  "url": "https://osv.dev/vulnerability/CVE-2025-67818",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-67818",
    "summary": "An issue was discovered in Weaviate OSS before 1.33.4. An attacker with access to insert data into the database can craft an entry name with an absolute path (e.g., /etc/...) or use parent directory traversal (../../..) to escape the restore root when a backup is restored, potentially creating or overwriting files in arbitrary locations within the application's privilege scope.",
    "evidence": "osv:CVE-2025-67818",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-67818",
      "aliases": [
        "CVE-2025-67818",
        "GHSA-7v39-2hx7-7c43",
        "GO-2025-4237"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/weaviate/weaviate",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "eb64dda7ca02ec06165a50be063646ac86986c4d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.33.4"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "cpe": "cpe:2.3:a:weaviate:weaviate:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.33.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-67818.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.720207591Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/67xxx/CVE-2025-67818.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-67818",
        "https://github.com/weaviate/weaviate",
        "https://weaviate.io/blog/weaviate-security-release-november-2025"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/67xxx/CVE-2025-67818.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-67818",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496649,
  "published_at": "2025-12-12T00:00:00+00:00"
}