What’s Vulnerable › Vulnerabilities

CVE-2026-53596: FreeScout has unrestricted file upload without rate limiting that leads to resource exhaustion (DoS)

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-20 · updated 2026-10-24
• Weakness: CWE-400

Description

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the FreeScout helpdesk application does not enforce rate limiting on the file upload endpoint. Any user can flood the server with upload requests, leading to database overload and potential denial of service for all users. Version 1.8.224 contains a fix.

Affected products

• freescout-help-desk freescout: before 1.8.224

References

• https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-ph4f-2jhx-q76w
• https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-ph4f-2jhx-q76w

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