{"vulnerability": "CVE-2026-4458", "sightings": [{"uuid": "7cd9ef22-53d5-4993-910d-f06d9c4933a5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-44587", "type": "published-proof-of-concept", "source": "https://github.com/carrierwaveuploader/carrierwave/security/advisories/GHSA-7g26-2qgj-chfg", "content": "", "creation_timestamp": "2026-05-23T05:40:33.000000Z"}, {"uuid": "66f4add0-19c1-41a8-9acf-cc7ea9fe7d78", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-4458", "type": "seen", "source": "https://infosec.exchange/users/vuldb/statuses/116260295615191694", "content": "", "creation_timestamp": "2026-03-20T07:22:07.626073Z"}, {"uuid": "1b9f9312-6b17-44e2-b4c5-ccdcef11f01a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-4458", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mhmakgu54z26", "content": "", "creation_timestamp": "2026-03-22T00:02:04.941458Z"}, {"uuid": "fa440393-29f7-4f3f-9f3a-905c3d19662a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-4458", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/microsoft-edge-multiple-vulnerabilities_20260324", "content": "", "creation_timestamp": "2026-03-24T01:00:00.000000Z"}, {"uuid": "2f48febe-2f4a-43b6-9a1c-275d4306b03a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-44581", "type": "seen", "source": "https://bsky.app/profile/securestep9.bsky.social/post/3mlcfbrg7m62h", "content": "#NextJS and #React Server Components hit with 12 vulnerabilities with 3 high-severity vulns (CVE-2026-44574, CVE-2026-44578, CVE-2026-44581) requiring the most urgent attention and impacting virtually every production NextJS deployment - patch now!", "creation_timestamp": "2026-05-07T23:40:51.848273Z"}, {"uuid": "5ecf479d-94a4-4477-a4bc-27e7fac68668", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-44582", "type": "published-proof-of-concept", "source": "https://t.me/htfgtps/1107", "content": "CVE-2026-23870, CVE-2026-44575, CVE-2026-44579, CVE-\n2026-44574, CVE-2026-44578, CVE-2026-44573, CVE-2026-\n44581, CVE-2026-44580, CVE-2026-44577, CVE-2026-44576,\nCVE-2026-44582, CVE-2026-44572\nhttps://github.com/dwisiswant0/next-16.2.4-pocs", "creation_timestamp": "2026-05-11T06:42:58.000000Z"}, {"uuid": "98db7cea-02fd-46e4-88ba-1186939142db", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-44580", "type": "published-proof-of-concept", "source": "https://t.me/htfgtps/1107", "content": "CVE-2026-23870, CVE-2026-44575, CVE-2026-44579, CVE-\n2026-44574, CVE-2026-44578, CVE-2026-44573, CVE-2026-\n44581, CVE-2026-44580, CVE-2026-44577, CVE-2026-44576,\nCVE-2026-44582, CVE-2026-44572\nhttps://github.com/dwisiswant0/next-16.2.4-pocs", "creation_timestamp": "2026-05-11T06:42:58.000000Z"}, {"uuid": "c0110a23-7d93-443e-b6e8-a3b226675117", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-44588", "type": "published-proof-of-concept", "source": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-25rp-h46x-2hjm", "content": "", "creation_timestamp": "2026-05-05T05:57:59.000000Z"}]}