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9 February 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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  • High 7.5
    CVE-2026-25961 Public exploit

    SumatraPDF Update MITM -> Arbitrary Code Execution

    SumatraPDF is a multi-format reader for Windows. In 3.5.0 through 3.5.2, SumatraPDF's update mechanism disables TLS hostname verification (INTERNET_FLAG_IGNORE_CERT_CN_INVALID) and executes installers without signature checks. A network attacker with any vali…

    sumatrapdfreader sumatrapdf
  • High 8.1
    CVE-2026-25890 Public exploit

    File Browser has a Path-Based Access Control Bypass via Multiple Leading Slashes in URL

    File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. Prior to 2.57.1, an authenticated user can bypass the application's "Disallow" file path rules by modifying the …

    filebrowser filebrowser filebrowser github.com/filebrowser/filebrowser/v2 Wolfi Go
  • High 8.1
    CVE-2026-1529 Public exploit

    Org.keycloak.services.resources.organizations: keycloak: unauthorized organization registration via improper invitation token validation

    A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attack…

    Red Hat Red Hat build of Keycloak 26.4 Red Hat build of Keycloak 26.2 Red Hat build of Keycloak 26.4.9 Wolfi Maven