CVE-2026-41899

Coolify unauthenticated feedback endpoint allows Discord webhook abuse

State: Published
Severity: 6.5 Medium
Published: Jul 6, 2026
Updated: Jul 7, 2026
Reserved: Apr 22, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L	GitHub_M

Weaknesses

CWE-306 Missing Authentication for Critical Function
CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
coolifycoollabsio	< 4.0.0-beta.474Affected

References

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