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21 September 2026

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

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All Critical High Medium Low Exploited only Public exploit

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  • Critical 10.0
    CVE-2026-77521 Public exploit

    MaxKB: Prompt-injectable agent can lead to command execution

    MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.5-lts, assistants with a tool, MCP tool, skill, or sub-application use SandboxShellBackend, which exposes an execute shell tool without excluding it and omits execute from interrupt_on…

    1Panel-dev MaxKB
  • High 8.1
    CVE-2026-61628 Public exploit

    nginx ignition has Unauthenticated Admin Account Creation via Onboarding Race Condition

    nginx ignition is a user interface for the nginx web server. Prior to version 2.41.1, `POST /api/users/onboarding/finish` is registered as anonymous (unauthenticated) and creates a user with full ReadWrite admin permissions. Because the handler uses a check-t…

    lucasdillmann nginx-ignition github.com/lucasdillmann/nginx-ignition Go
  • High 8.8
    CVE-2026-94129 Public exploit

    BioStar VALKYRIE AURORA IOCTL BS_RVSIO64.sys sub_1105C write-what-where

    A vulnerability was detected in BioStar VALKYRIE AURORA 2.10.2411.0800. This vulnerability affects the function sub_1105C of the file BS_RVSIO64.sys of the component IOCTL Handler. The manipulation of the argument PhysicalAddress results in write-what-where c…

    BioStar VALKYRIE AURORA
  • High 8.8
    CVE-2026-94128 Public exploit

    BioStar VIVID LED DJ IOCTL BS_LED64.sys sub_1105C write-what-where

    A security vulnerability has been detected in BioStar VIVID LED DJ 4.0.2411.1500. This affects the function sub_1105C of the file BS_LED64.sys of the component IOCTL Handler. The manipulation of the argument AssociatedIrp leads to write-what-where condition. …

    BioStar VIVID LED DJ