{"vulnerability": "cve-2026-13491", "sightings": [{"uuid": "eaabe489-01ac-49c3-aa86-41480d4a6fb9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-13491", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mpdwfbf4nu2m", "content": "78 xiaozhi-esp32 (v2.2.0 \u2013 2.2.6) hit by MEDIUM DoS vuln via MQTT Goodbye Handler. Remote exploit possible \u2014 patch with commit e182471f8c5a. https://radar.offseq.com/threat/cve-2026-13491-denial-of-service-in-78-xiaozhi-esp-7a05af4bbbaaa50e #OffSeq #IoTSecurity #DenialOfService", "creation_timestamp": "2026-06-28T12:00:29.354297Z"}, {"uuid": "892e329b-6afb-4e24-ae33-6de0b4c575bc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-13491", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mpe6ioa6em2y", "content": "CVE-2026-13491 - 78 xiaozhi-esp32 MQTT Goodbye mqtt_protocol.cc GetInstance denial of service\nCVE ID : CVE-2026-13491\n \n Published : June 28, 2026, 11:15 a.m. | 2\u00a0hours, 30\u00a0minutes ago\n \n Description : A vulnerability was detected in 78 xiaozhi-esp32 up to 2.2.6. This vulnerab...", "creation_timestamp": "2026-06-28T14:25:32.566398Z"}, {"uuid": "4cc01f27-0fb2-4a62-9291-56b9581b99f2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-13491", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mpgrvublul2b", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-13491 \u0432 Xiaozhi-ESP32: \u0443\u0433\u0440\u043e\u0437\u0430 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u0437\u0430\u0449\u0438\u0442\u044b\n\n\n\nhttps://kripta.biz/posts/576F3A82-ADC9-49E1-A134-2DFB872C957E", "creation_timestamp": "2026-06-29T15:18:15.812077Z"}, {"uuid": "4d01a2c1-9fd3-454c-b749-f5bfdb687492", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-13491", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mph7wwxuvh2g", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-13491 \u0432 Xiaozhi-ESP32: \u0443\u0433\u0440\u043e\u0437\u044b \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u0437\u0430\u0449\u0438\u0442\u044b\n\n\n\nhttps://kripta.biz/posts/EB1BBA0A-BAAA-49AB-91B0-CD6EA7A07873", "creation_timestamp": "2026-06-29T19:29:24.676536Z"}]}