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OpenAdvisories

Vendor

AdguardTeam

3 known vulnerabilities.

Products

AdGuardHome 3
All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.4
    CVE-2026-41448

    AdGuard Home Authentication Bypass via Path Traversal in Admin-Token Cookie

    AdGuard Home, when started with the --glinet flag, contains an authentication bypass vulnerability that allows unauthenticated attackers to gain full admin access by supplying a path traversal sequence in the Admin-Token cookie, exploiting unsanitized string …

    AdguardTeam AdGuardHome
  • Critical 9.8
    CVE-2026-32136 Public exploit

    AdGuard Home: HTTP/2 Cleartext (h2c) Upgrade Authentication Bypass

    AdGuard Home is a network-wide software for blocking ads and tracking. Prior to 0.107.73, an unauthenticated remote attacker can bypass all authentication in AdGuardHome by sending an HTTP/1.1 request that requests an upgrade to HTTP/2 cleartext (h2c). Once t…

    AdguardTeam AdGuardHome github.com/AdguardTeam/AdGuardHome Go