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9 April 2026

Vulnerabilities first published on this day (UTC), newest first.

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  • Critical 9.1
    CVE-2026-29145 Public exploit

    Apache Tomcat, Apache Tomcat Native: OCSP checks sometimes soft-fail even when soft-fail is disabled

    CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0…

    Apache Software Foundation Apache Tomcat Apache Tomcat Native thingsboard-tb-node Debian Ubuntu Alpine Wolfi Maven
  • Critical 9.1
    CVE-2026-39912 Public exploit

    v2board / Xboard Authentication Token Exposure via loginWithMailLink

    V2Board 1.6.1 through 1.7.4 and Xboard through 0.1.9 expose authentication tokens in HTTP response bodies of the loginWithMailLink endpoint when the login_with_mail_link_enable feature is active. Unauthenticated attackers can POST to the loginWithMailLink end…

    v2board cedar2025 v2board Xboard
  • Critical 9.3
    CVE-2026-39987 Exploited Public exploit Scanner template EPSS 100%

    marimo Affected by Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass

    marimo is a reactive Python notebook. Prior to 0.23.0, Marimo has a Pre-Auth RCE vulnerability. The terminal WebSocket endpoint /terminal/ws lacks authentication validation, allowing an unauthenticated attacker to obtain a full PTY shell and execute arbitrary…

    marimo-team marimo marimo PyPI
    KEV Apr 23, 2026
  • Critical 9.1
    CVE-2026-39980 Public exploit

    OpenCTI affected by RCE via notifier template

    OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.9.5, the safeEjs.ts file does not properly sanitize EJS templates. Users with the Manage customization capability can run arbitrary JavaScript in t…

    OpenCTI-Platform opencti pycti PyPI
  • Critical 9.8
    CVE-2026-1830 Public exploit Scanner template

    Quick Playground <= 1.3.1 - Missing Authorization to Unauthenticated Arbitrary File Upload

    The Quick Playground plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.3.1. This is due to insufficient authorization checks on REST API endpoints that expose a sync code and allow arbitrary file uploads. This…

    David F. Carr Quick Playground Web / CMS