https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Sat, 06 Jun 2026 08:23:20 +0000 https://vulnerability.circl.lu/sighting/4e774716-1a1f-4856-bf03-6da7d87afa87/export {"uuid": "4e774716-1a1f-4856-bf03-6da7d87afa87", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8389", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mlo3f3lnww2c", "content": "CVE-2026-8389 - JIT miscompilation in the JavaScript Engine: JIT component\nCVE ID : CVE-2026-8389\n \n Published : May 12, 2026, 2:17 p.m. | 13\u00a0minutes ago\n \n Description : JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0....", "creation_timestamp": "2026-05-12T15:15:42.493175Z"} {"uuid": "4e774716-1a1f-4856-bf03-6da7d87afa87", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8389", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mlo3f3lnww2c", "content": "CVE-2026-8389 - JIT miscompilation in the JavaScript Engine: JIT component\nCVE ID : CVE-2026-8389\n \n Published : May 12, 2026, 2:17 p.m. | 13\u00a0minutes ago\n \n Description : JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0....", "creation_timestamp": "2026-05-12T15:15:42.493175Z"} https://vulnerability.circl.lu/sighting/4e774716-1a1f-4856-bf03-6da7d87afa87/export Tue, 12 May 2026 15:15:42 +0000 https://vulnerability.circl.lu/sighting/571274e8-8778-4771-9f8e-f158d573bf82/export {"uuid": "571274e8-8778-4771-9f8e-f158d573bf82", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-8389", "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": "571274e8-8778-4771-9f8e-f158d573bf82", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-8389", "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"} https://vulnerability.circl.lu/sighting/571274e8-8778-4771-9f8e-f158d573bf82/export Wed, 13 May 2026 06:28:15 +0000 https://vulnerability.circl.lu/sighting/cd4fd73e-897f-4b86-9ad6-b8afb64f626d/export {"uuid": "cd4fd73e-897f-4b86-9ad6-b8afb64f626d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "c933734a-9be8-4142-889e-26e95c752803", "vulnerability": "CVE-2026-8389", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/eed1dbdf-5a0f-4cc2-9665-fa1ff05b0c1f", "content": "", "creation_timestamp": "2026-05-13T06:44:38.819942Z"} {"uuid": "cd4fd73e-897f-4b86-9ad6-b8afb64f626d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "c933734a-9be8-4142-889e-26e95c752803", "vulnerability": "CVE-2026-8389", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/eed1dbdf-5a0f-4cc2-9665-fa1ff05b0c1f", "content": "", "creation_timestamp": "2026-05-13T06:44:38.819942Z"} https://vulnerability.circl.lu/sighting/cd4fd73e-897f-4b86-9ad6-b8afb64f626d/export Wed, 13 May 2026 06:44:38 +0000 https://vulnerability.circl.lu/sighting/87272e15-1d57-4f5b-ab8e-3e50162180d6/export {"uuid": "87272e15-1d57-4f5b-ab8e-3e50162180d6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8389", "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": "2026-05-25T22:49:09.720312Z"} {"uuid": "87272e15-1d57-4f5b-ab8e-3e50162180d6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8389", "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": "2026-05-25T22:49:09.720312Z"} https://vulnerability.circl.lu/sighting/87272e15-1d57-4f5b-ab8e-3e50162180d6/export Mon, 25 May 2026 22:49:09 +0000 https://vulnerability.circl.lu/sighting/70d93e11-ae4e-48a4-a105-83ad4eaf687e/export {"uuid": "70d93e11-ae4e-48a4-a105-83ad4eaf687e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8389", "type": "seen", "source": "https://infosec.exchange/users/wdormann/statuses/116697621276964050", "content": "Somebody released a PoC for Firefox CVE-2026-8389, and it works.\nThe PoC doesn't include a sandbox escape, and claims that poc-win-sbx.html includes the escape. This file was not shared in the repo.\nThe python server on localhost seems unnecessary, as the exploit web server can surely serve up primer.js the first time that payload.js is requested, and the actual payload.js the second time. \ud83e\udd14", "creation_timestamp": "2026-06-05T12:59:48.629381Z"} {"uuid": "70d93e11-ae4e-48a4-a105-83ad4eaf687e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8389", "type": "seen", "source": "https://infosec.exchange/users/wdormann/statuses/116697621276964050", "content": "Somebody released a PoC for Firefox CVE-2026-8389, and it works.\nThe PoC doesn't include a sandbox escape, and claims that poc-win-sbx.html includes the escape. This file was not shared in the repo.\nThe python server on localhost seems unnecessary, as the exploit web server can surely serve up primer.js the first time that payload.js is requested, and the actual payload.js the second time. \ud83e\udd14", "creation_timestamp": "2026-06-05T12:59:48.629381Z"} https://vulnerability.circl.lu/sighting/70d93e11-ae4e-48a4-a105-83ad4eaf687e/export Fri, 05 Jun 2026 12:59:48 +0000 https://vulnerability.circl.lu/sighting/3323fea7-dd0e-4ef3-be33-e748c91d82cc/export {"uuid": "3323fea7-dd0e-4ef3-be33-e748c91d82cc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8389", "type": "seen", "source": "https://bsky.app/profile/wdormann.infosec.exchange.ap.brid.gy/post/3mnk6yb6nabv2", "content": "Somebody released a PoC for Firefox CVE-2026-8389, and it works.\n\nThe PoC doesn't include a sandbox escape, and claims that `poc-win-sbx.html` includes the escape. This file was not shared in the repo.\n\nThe python server on localhost seems unnecessary, as [\u2026] \n\n[Original post on infosec.exchange]", "creation_timestamp": "2026-06-05T12:59:52.491258Z"} {"uuid": "3323fea7-dd0e-4ef3-be33-e748c91d82cc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8389", "type": "seen", "source": "https://bsky.app/profile/wdormann.infosec.exchange.ap.brid.gy/post/3mnk6yb6nabv2", "content": "Somebody released a PoC for Firefox CVE-2026-8389, and it works.\n\nThe PoC doesn't include a sandbox escape, and claims that `poc-win-sbx.html` includes the escape. This file was not shared in the repo.\n\nThe python server on localhost seems unnecessary, as [\u2026] \n\n[Original post on infosec.exchange]", "creation_timestamp": "2026-06-05T12:59:52.491258Z"} https://vulnerability.circl.lu/sighting/3323fea7-dd0e-4ef3-be33-e748c91d82cc/export Fri, 05 Jun 2026 12:59:52 +0000