{"vulnerability": "CVE-2026-8388", "sightings": [{"uuid": "84e3cdaf-014e-48cc-83f7-031228d1bbb6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8388", "type": "seen", "source": "https://bsky.app/profile/getpokemon7.bsky.social/post/3mmpkrtavx224", "content": "Mozilla\u3001\u300cFirefox 150.0.3\u300d\u3092\u516c\u958b - \u8106\u5f31\u60275\u4ef6\u3092\u4fee\u6b63\n\u300cFirefox\u300d\u306b\u8907\u6570\u306e\u8106\u5f31\u6027\u304c\u5224\u660e\u3057\u3001Mozilla Foundation\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u305f\u3002\n\n...\n\nJavaScript\u30a8\u30f3\u30b8\u30f3\u306e\u300cJIT\u300d\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u306f\u3001\u5883\u754c\u6761\u4ef6\u306e\u51e6\u7406\u304c\u9069\u5207\u3067\u306a\u3044\u8106\u5f31\u6027\u300cCVE-2026-8388\u300d\u3084\u3001\u8aa4\u30b3\u30f3\u30d1\u30a4\u30eb\u306e\u8106\u5f31\u6027\u300cCVE-2026-8389\u300d\u304c\u5224\u660e\u3057\u305f\u3002\u3042\u308f\u305b\u3066JavaScript\u30a8\u30f3\u30b8\u30f3\u306b\u304a\u3051\u308b\u554f\u984c\u3068\u3057\u3066\u300cCVE-2026-8391\u300d\u304c\u5224\u660e\u3057\u3066\u3044\u308b\u3002\n#\u30d1\u30c3\u30c1\u30c1\u30e5\u30fc\u30ba\u30c7\u30fc", "creation_timestamp": "2026-05-25T22:49:09.576651Z"}, {"uuid": "ad1a2492-0b15-43c9-904c-5eb3062c3004", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-8388", "type": "seen", "source": "https://www.acn.gov.it/portale/w/aggiornamenti-di-sicurezza-per-mozilla-firefox", "content": "", "creation_timestamp": "2026-05-13T06:28:15.000000Z"}, {"uuid": "60e271c4-bbd9-4124-945c-44188a21c15b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "c933734a-9be8-4142-889e-26e95c752803", "vulnerability": "CVE-2026-8388", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/eed1dbdf-5a0f-4cc2-9665-fa1ff05b0c1f", "content": "", "creation_timestamp": "2026-05-13T06:44:38.819942Z"}, {"uuid": "2c793412-0ee2-4d39-aaea-e9385fcd6be8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8388", "type": "seen", "source": "https://bsky.app/profile/slackers.it/post/3mmasq3lulp2i", "content": "5/13\n\nhttps://www.cve.org/CVERecord?id=CVE-2026-8388\n    https://www.cve.org/CVERecord?id=CVE-2026-8947\n    https://www.cve.org/CVERecord?id=CVE-2026-8391\n    https://www.cve.org/CVERecord?id=CVE-2026-8401\n    https://www.cve.org/CVERecord?id=CVE-2026-8949", "creation_timestamp": "2026-05-20T02:01:22.471284Z"}, {"uuid": "5ce4cad3-0f9c-48ba-9cb3-aeb38a091808", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8388", "type": "seen", "source": "https://bsky.app/profile/slackers.it/post/3mmasqax24x2i", "content": "10/13\n\nhttps://www.cve.org/CVERecord?id=CVE-2026-8946\n    https://www.cve.org/CVERecord?id=CVE-2026-8388\n    https://www.cve.org/CVERecord?id=CVE-2026-8947\n    https://www.cve.org/CVERecord?id=CVE-2026-8391\n    https://www.cve.org/CVERecord?id=CVE-2026-8401", "creation_timestamp": "2026-05-20T02:01:29.229885Z"}, {"uuid": "991ec0ac-5ab5-4059-ae9d-dff072972767", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-8388", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities_20260520", "content": "", "creation_timestamp": "2026-05-19T20:00:00.000000Z"}]}