zhayujie chatgpt-on-wechat CowAgent Administrative HTTP Endpoint missing authentication

{
  "id": "4919264fad64b27da857b4a86dad78d22e6b063048d0d6121e64af79a57d0696",
  "url": "https://osv.dev/vulnerability/CVE-2026-6126",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "zhayujie chatgpt-on-wechat CowAgent Administrative HTTP Endpoint missing authentication",
    "summary": "A weakness has been identified in zhayujie chatgpt-on-wechat CowAgent 2.0.4. The affected element is an unknown function of the component Administrative HTTP Endpoint. This manipulation causes missing authentication. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.",
    "evidence": "osv:CVE-2026-6126",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-6126",
      "aliases": [
        "CVE-2026-6126"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/zhayujie/CowAgent",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5958b69ec93c8ffc0bab9b18d25133aee0b6b403"
                },
                {
                  "last_affected": "5958b69ec93c8ffc0bab9b18d25133aee0b6b403"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "2.0.4"
                      },
                      {
                        "last_affected": "2.0.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.0.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6126.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.939891993Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6126.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-6126",
        "https://vuldb.com/submit/793554",
        "https://vuldb.com/submit/795335",
        "https://vuldb.com/vuln/356990",
        "https://github.com/zhayujie/chatgpt-on-wechat/issues/2733",
        "https://github.com/zhayujie/chatgpt-on-wechat/issues/2733#issue-4177804035",
        "https://vuldb.com/vuln/356990/cti"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-287",
          "CWE-306"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6126.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-6126",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491502,
  "published_at": "2026-04-12T10:30:12.107+00:00"
}