{"vulnerability": "CVE-2026-9621", "sightings": [{"uuid": "309c0727-379a-4aa9-8672-48cfc1e7c41f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-9621", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3muhskyqrdy2b", "content": "\ud83d\udea8 CVE-2026-9621 \u2014 CVSS 9.2 CRITICAL\n\nA denial-of-service security issue exists within RSLinx\u00ae Classic. The security issue stems from improper ha...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-9621\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-09-01T16:08:42.834593Z"}, {"uuid": "ed39ddae-2a12-4bcd-88a8-8cf3789f0330", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-9621", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3muhtr73hev2g", "content": "CVE-2026-9621 - rslinx classic\u00ae\nThe RSLinx Classic software that connects your control devices can stop working if it receives a specially formed network packet. This causes the service to\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#rslinxclassic #rockwellautomation #CVE #infosec", "creation_timestamp": "2026-09-01T16:30:04.903610Z"}, {"uuid": "57dfd23b-76df-42e2-ad42-e61a769b039b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-9621", "type": "seen", "source": "https://bsky.app/profile/cyfar.ca/post/3muia62ld6v2b", "content": "~Cisa~\nCrafted CIP packets can crash RSLinx Classic <=4.50; upgrade to 4.60.\n-\nIOCs: CVE-2026-9621, CVE-2026-9622, CVE-2026-9624\n-\n#CVE2026 #ICS #ThreatIntel", "creation_timestamp": "2026-09-01T20:12:01.077558Z"}]}