{"vulnerability": "cve-2026-16723", "sightings": [{"uuid": "da0b10a6-eac1-4425-9606-0e6046b99331", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-16723", "type": "seen", "source": "https://bsky.app/profile/suriq.io/post/3mrch7ck5e62q", "content": "\ud83d\udd34 EXPLOITED\n\nA critical flaw in fastjson, a widely used Java data library, lets a stranger run code on the server in its default setup. (CVE-2026-16723)\n\nHits fastjson 1.2.68 to 1.2.83; turning AutoType off does not help.\n\nFix: enable SafeMode or move to fastjson2.", "creation_timestamp": "2026-07-23T08:46:26.325217Z"}, {"uuid": "7b33e5de-813f-42bd-b4fd-45ff7d456f76", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-16723", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116968471131630189", "content": "CVE-2026-16723: CRITICAL RCE in Alibaba Fastjson 1.2.68. Exploitable under default config \u2014 no patch yet. Avoid 1.2.68 & monitor vendor updates for mitigation. CVSS 9.0. https://radar.offseq.com/threat/cve-2026-16723-cwe-20-improper-input-validation-in-alibaba-fastjson-939ed165aac7ce81 #OffSeq #infosec #CVE202616723 #remotecodeexecution", "creation_timestamp": "2026-07-23T09:00:28.652976Z"}, {"uuid": "5aea316a-03f4-4ca7-818c-13d5d575e54e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-16723", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mrchyhlrvl25", "content": "CRITICAL RCE found in Alibaba Fastjson 1.2.68 (CVE-2026-16723). Remote exploit possible by default config. No patch available \u2014 avoid affected version, monitor for updates. https://radar.offseq.com/threat/cve-2026-16723-cwe-20-improper-input-validation-in-alibaba-fastjson-939ed165aac7ce81 #OffSeq...", "creation_timestamp": "2026-07-23T09:00:30.460814Z"}, {"uuid": "0d76303b-913f-4ed1-b9ca-c41545fdfaf6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-16723", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mrcyiy4vmz2j", "content": "CVE-2026-16723 - fastjson\nFastjson versions 1.2.68 to 1.2.83 are vulnerable to a serious security risk. This means an attacker could potentially take control of your system by sending malicious data. You\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#fastjson #alibaba #CVE #infosec", "creation_timestamp": "2026-07-23T13:56:04.346525Z"}]}