{"id":"CVE-2026-80443","aliases":["EUVD-2026-91326","GHSA-679g-qgm4-wf24"],"status":"published","title":"Insecure TLS Certificate Validation in API Tool Runner in HAVELSAN's  Sef - AI Chatbot Platform","description":"Improper certificate validation vulnerability in HAVELSAN Inc. Sef - AI Chatbot Platform allows Adversary in the Middle (AiTM).\n\nThis issue affects Sef - AI Chatbot Platform: before 2.1. NOTE: The vendor was contacted and it was learned that the product is not supported.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00163,"percentile":0.05557,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2026-10-02T09:04:40Z","modified":"2026-10-02T15:17:10Z","products":[{"vendor":"havelsan inc.","product":"sef - ai chatbot platform"}],"references":[{"url":"https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1241","tags":["government-resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80443"},{"url":"https://github.com/advisories/GHSA-679g-qgm4-wf24"}],"sources":{"cve":[{"id":"CVE-2026-80443","title":"Insecure TLS Certificate Validation in API Tool Runner in HAVELSAN's  Sef - AI Chatbot Platform","description":"Improper certificate validation vulnerability in HAVELSAN Inc. Sef - AI Chatbot Platform allows Adversary in the Middle (AiTM).\n\nThis issue affects Sef - AI Chatbot Platform: before 2.1. NOTE: The vendor was contacted and it was learned that the product is not supported.","status":"published","published":"2026-10-02T09:04:40.529Z","modified":"2026-10-02T14:36:56.031Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T13:45:36.695039Z"}],"euvd":[{"id":"EUVD-2026-91326","description":"Improper certificate validation vulnerability in HAVELSAN Inc. Sef - AI Chatbot Platform allows Adversary in the Middle (AiTM).\n\nThis issue affects Sef - AI Chatbot Platform: before 2.1. NOTE: The vendor was contacted and it was learned that the product is not supported.","status":"published","published":"2026-10-02T09:04:40Z","modified":"2026-10-02T14:36:56Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T17:27:42.693498Z"}],"ghsa":[{"id":"GHSA-679g-qgm4-wf24","title":"Improper certificate validation vulnerability in HAVELSAN Inc. Sef - AI Chatbot Platform allows...","description":"Improper certificate validation vulnerability in HAVELSAN Inc. Sef - AI Chatbot Platform allows Adversary in the Middle (AiTM).\n\nThis issue affects Sef - AI Chatbot Platform: before 2.1.","status":"published","published":"2026-10-02T09:31:21Z","modified":"2026-10-02T09:31:31Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:12:42.431145Z"}],"nvd":[{"id":"CVE-2026-80443","description":"Improper certificate validation vulnerability in HAVELSAN Inc. Sef - AI Chatbot Platform allows Adversary in the Middle (AiTM).\n\nThis issue affects Sef - AI Chatbot Platform: before 2.1. NOTE: The vendor was contacted and it was learned that the product is not supported.","status":"published","published":"2026-10-02T09:16:44.823Z","modified":"2026-10-02T15:17:10.993Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:12:53.41762Z"}]}}