{"vulnerability": "CVE-2026-4721", "sightings": [{"uuid": "b6c69c54-21d3-4971-9216-db9e11d62f26", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-4721", "type": "seen", "source": "https://bsky.app/profile/slackers.it/post/3mhu7d6hbhv2w", "creation_timestamp": "2026-03-25T04:01:28.142388Z"}, {"uuid": "f6394fe2-e67c-4541-a98b-b0ce3bf91f0c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-4721", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities_20260325", "creation_timestamp": "2026-03-25T03:00:00.000000Z"}, {"uuid": "a646519f-1d0a-4037-b73a-c18aa992cad0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-4721", "type": "seen", "source": "https://www.cert.ssi.gouv.fr/actualite/CERTFR-2026-ACT-013/", "creation_timestamp": "2026-03-29T17:00:00.000000Z"}]}