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    Marimo Notebook Pre-Auth RCE via /terminal/ws WebSocket (CVE-2026-39987)

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    GlassDiceBearhttps://www.dicebear.comhttps://creativecommons.org/publicdomain/zero/1.0/„Glass” (https://www.dicebear.com) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)
    Ibrahim Saud@tektrix
    •updated 22 days ago•0•0•1

    Detects unauthorized attempts to access the Marimo Notebook terminal via a WebSocket connection, indicative of an exploit attempt targeting CVE-2026-39987.

    Suricata

    Tags

    T1190 - Exploit Public-Facing ApplicationIDS IPS AlertExploit AttemptNetwork Connection InboundNetwork GenericLinuxSuricata IDSSnort IDSCVE-2026-39987HTTPWeb Application Attack

    Found in

    • Human Attacker Exploits Marimo RCE at Machine SpeedLast updated Sep 15, 2026
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