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7.5

Feuerhamster MailForm v1.1.0: Denial of Service via Malformed Attachments

CVE-2026-50878 · published 4 months ago
Summary

An issue in Feuerhamster MailForm's attachment handling allows attackers to overload the system with a specially crafted request, potentially causing it to crash. This could disrupt normal email processing and impact business operations. To mitigate this risk, update to the latest version of Feuerhamster MailForm.

Original advisory text
An issue in the attachment handling component of Feuerhamster MailForm v1.1.0 allows attackers to cause a Denial of Service (DoS) via a crafted request.
An issue in the attachment handling component of Feuerhamster MailForm v1.1.0 allows attackers to cause a Denial of Service (DoS) via a crafted request.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker partial control
Severity
7.5 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-400Uncontrolled Resource Consumption
Timeline
Published15 Jun 2026
Updated4 Nov 2026
First seen15 Jun 2026
Sources
CVE-2026-50878 · NVD
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