CVE-2026-26747
CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
0th
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,
| Vendor | n/a |
| Product | n/a |
| Published | Feb 20, 2026 |
| Last Updated | Feb 23, 2026 |
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Affected Versions
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