CRITICAL🇵🇱 Wersja polska

CVE-2026-26747

CVSS 9.1v3.1pub. 2026-02-20upd. 2026-02-26

A Host Header Poisoning vulnerability exists in Monica 4.1.2 due to improper handling of the HTTP Host header in app/Providers/AppServiceProvider.php, combined with the default misconfiguration where the "app.force_url" is not set and default is "false". The application generates absolute URLs (such as those used in password reset emails) using the user-supplied Host header. This allows remote attackers to poison the password reset link sent to a victim,

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

  • Monicahq Monica

    APP
    Monicahq
    4.1.2
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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
References

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