Swarms 6.8.1 Server-Side Request Forgery via DNS Rebinding Bypass

{
  "id": "33ea7b68a0ff8c5ec3b55798f24378fba2c0330a828eb056e73f74043cfa1e64",
  "url": "https://osv.dev/vulnerability/CVE-2026-67346",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Swarms 6.8.1 Server-Side Request Forgery via DNS Rebinding Bypass",
    "summary": "Swarms through 6.8.1, fixed in commit 8b0fc9e, contains a server-side request forgery vulnerability in the _is_safe_url function that fails to validate hostnames through DNS resolution, allowing attackers to bypass the blocklist. Attackers can supply user-controlled image or audio URLs that resolve to private, loopback, or metadata addresses to reach internal services and exfiltrate credentials.",
    "evidence": "osv:CVE-2026-67346",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-67346",
      "aliases": [
        "CVE-2026-67346"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/kyegomez/swarms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8b0fc9e4645603ad94d5fcf4da86e3b9c71f4743"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "6.8.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "8b0fc9e4645603ad94d5fcf4da86e3b9c71f4743"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "6.8.1",
            "5.3.7",
            "2.3.1",
            "2.2.2",
            "2.2.1",
            "2.1.9",
            "2.1.7",
            "2.0.5",
            "2.0.2",
            "1.3.2",
            "1.3.1",
            "1.3.0",
            "1.2.9",
            "1.2.7",
            "1.2.6",
            "1.2.5",
            "1.2.4",
            "1.2.3",
            "1.2.2",
            "1.2.1",
            "1.2.0",
            "1.1.9",
            "1.1.8",
            "1.1.7",
            "1.1.6",
            "1.1.5",
            "1.1.41",
            "1.1.4",
            "1.1.3",
            "1.1.2",
            "1.1.1",
            "1.1.0",
            "1.0.9",
            "1.0.8",
            "1.0.7",
            "1.0.6",
            "1.0.5",
            "1.0.4",
            "1.0.3",
            "1.0.20",
            "1.0.00",
            "0.9.9",
            "0.9.8",
            "0.9.7",
            "0.9.6",
            "0.9.5",
            "0.9.3",
            "0.9.2",
            "0.9.1",
            "0.9.00",
            "0.9.0",
            "0.8.9",
            "0.8.8",
            "0.8.7",
            "0.8.6",
            "0.8.5",
            "0.8.4",
            "0.8.3",
            "0.8.2",
            "0.8.1",
            "0.8.0",
            "0.7.9",
            "0.7.8",
            "0.7.7",
            "0.7.6",
            "0.7.5",
            "0.7.4",
            "0.7.2",
            "0.7.1",
            "0.7.01",
            "0.7.0",
            "0.6.6",
            "0.6.5",
            "0.6.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-67346.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:21.832188334Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67346.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-67346",
        "https://www.vulncheck.com/advisories/swarms-server-side-request-forgery-via-dns-rebinding-bypass",
        "https://github.com/kyegomez/swarms/issues/1714",
        "https://github.com/kyegomez/swarms/commit/8b0fc9e4645603ad94d5fcf4da86e3b9c71f4743",
        "https://github.com/kyegomez/swarms/pull/1734",
        "https://github.com/kyegomez/swarms"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-918"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67346.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-67346",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 488279,
  "published_at": "2026-07-30T14:39:43.337+00:00"
}