{"uuid": "e6e140cd-4961-49cf-8068-1139bac6515e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-63310", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/117142940889855260", "content": "CVE-2026-63310: NLTK <3.9.3 has a CRITICAL flaw where package integrity isn't checked post-download in the downloader module. Exposes users to MITM & DNS poisoning attacks. Upgrade to 3.9.3+ or avoid insecure networks. https://radar.offseq.com/threat/nltk-before-393-fails-to-verify-file-integrity-after-downloading-packages-and-before-extraction-in-the-f6492d4a6dda17c2 #OffSeq #NLTK #CVE202663310 #infosec", "creation_timestamp": "2026-08-23T04:30:27.123274Z"}