AUGUST 21, 2026
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Case File

CVE-2026-41899

MEDIUM · CVSS 6.5 EPSS 0.30% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-06 · Last synced 2026-08-05

CyberRota Analysis

AI-Generated

Coolify versions prior to 4.0.0-beta.474 are vulnerable due to a lack of authentication, rate limiting, and input validation on the POST /api/feedback endpoint, which allows attackers to send arbitrary content to a Discord webhook. This vulnerability can lead to spam, content injection, and abuse of the webhook functionality. Organizations using affected versions should prioritize upgrading to the fixed version to mitigate potential misuse and protect their systems.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-41899
Severity
MEDIUM
CVSS
6.5
EPSS
0.30%

Original NVD Description

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, POST /api/feedback has no authentication, no rate limiting, and no input validation, allowing arbitrary content to be forwarded directly to a Discord webhook and enabling spam, content injection, and webhook abuse. This issue is fixed in version 4.0.0-beta.474.