{"vulnerability": "CVE-2026-54500", "sightings": [{"uuid": "da5867d4-6ee1-4e2b-887b-fa445a07ff14", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-54500", "type": "published-proof-of-concept", "source": "https://github.com/ohler55/oj/security/advisories/GHSA-fm7p-mprw-wjm9", "content": "", "creation_timestamp": "2026-06-16T10:50:01.000000Z"}, {"uuid": "d7257f76-23f9-42e5-8cbe-943b9d33fe32", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54500", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mpkhg6m26n2u", "content": "CVE-2026-54500 - Oj: intern.c form_attr has an uninitialized stack read\nCVE ID : CVE-2026-54500\n \n Published : June 30, 2026, 11:08 p.m. | 2\u00a0hours, 38\u00a0minutes ago\n \n Description : Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. In versions pr...", "creation_timestamp": "2026-07-01T02:21:11.523771Z"}, {"uuid": "3c69d8f4-a96f-4af7-8585-39bb1776045a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54500", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mpmtzhdbir2u", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-54500 \u0432 Oj (Optimized JSON): \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/46174568-97E1-4C91-9B44-1FB6A2A99EDD", "creation_timestamp": "2026-07-02T01:12:02.180335Z"}]}