0x4m4 HexStrike AI API Command Endpoint hexstrike_server.py missing authentication

{
  "id": "977599b8dca4f431cb0a4dc92bbf60f0882550e046bb9532cc975e32e53f35ef",
  "url": "https://osv.dev/vulnerability/CVE-2026-90620",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "0x4m4 HexStrike AI API Command Endpoint hexstrike_server.py missing authentication",
    "summary": "A vulnerability was determined in 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04. The impacted element is an unknown function of the file hexstrike_server.py of the component API Command Endpoint. This manipulation causes missing authentication. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.",
    "evidence": "osv:CVE-2026-90620",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-90620",
      "aliases": [
        "CVE-2026-90620"
      ],
      "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/0x4m4/hexstrike-ai",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d689933ff579d839c676c82b231f8e98326c5f04"
                },
                {
                  "last_affected": "d689933ff579d839c676c82b231f8e98326c5f04"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "d689933ff579d839c676c82b231f8e98326c5f04"
                      },
                      {
                        "last_affected": "d689933ff579d839c676c82b231f8e98326c5f04"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  }
                ]
              }
            }
          ],
          "versions": [
            "d689933ff579d839c676c82b231f8e98326c5f04"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90620.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.208916171Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90620.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-90620",
        "https://vuldb.com/cve/CVE-2026-90620",
        "https://vuldb.com/submit/914813",
        "https://vuldb.com/vuln/403202",
        "https://github.com/0x4m4/hexstrike-ai/issues/223",
        "https://vuldb.com/vuln/403202/cti"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-287",
          "CWE-306"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90620.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-90620",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 488235,
  "published_at": "2026-09-14T03:00:11.752+00:00"
}