{"vulnerability": "cve-2026-54900", "sightings": [{"uuid": "383ba062-10ab-4cef-9f90-bde35c69f220", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-54900", "type": "published-proof-of-concept", "source": "https://github.com/ohler55/oj/security/advisories/GHSA-9cv6-qcjw-4grx", "content": "", "creation_timestamp": "2026-06-16T14:37:57.000000Z"}, {"uuid": "a062896f-5385-471c-a22e-788a81a9e74d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54900", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mpkhrylv4625", "content": "CVE-2026-54900 - Oj: Negative-Size memcpy in Oj::Parser create_id Attribute Handling\nCVE ID : CVE-2026-54900\n \n Published : June 30, 2026, 11:34 p.m. | 2\u00a0hours, 12\u00a0minutes ago\n \n Description : Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. I...", "creation_timestamp": "2026-07-01T02:27:47.646073Z"}, {"uuid": "81b235d8-7f2c-4596-8c4a-1e43a1498887", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54900", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mpmubqz4cb2r", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-54900 \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/357420E3-3583-41BB-9A15-C99FFDB94B1E", "creation_timestamp": "2026-07-02T01:16:41.094465Z"}]}