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CVE-2026-41899— Coolify unauthenticated feedback endpoint allows Discord webhook abuse

CVSS 6.5 · Medium EPSS 0.30% · P22

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
coollabsiocoolify< 4.0.0-beta.474affected
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I. Basic Information for CVE-2026-41899

Vulnerability Information
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Vulnerability Title
Coolify unauthenticated feedback endpoint allows Discord webhook abuse
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
coolLabs coolify 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
coolLabs Coolify是coolLabs团队开源的一个开源和自托管的 Heroku/Netlify/Vercel 替代品。 coolLabs Coolify 4.0.0-beta.474之前版本存在安全漏洞，该漏洞源于POST /api/feedback没有身份验证、没有速率限制且没有输入验证，允许任意内容直接转发到Discord webhook，从而导致垃圾信息、内容注入和webhook滥用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
coollabsiocoolify < 4.0.0-beta.474 -

II. Public POCs for CVE-2026-41899

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III. Intelligence Information for CVE-2026-41899

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Patches & Fixes for CVE-2026-41899 (2)

Vendor Advisories for CVE-2026-41899 (1)

Same Patch Batch · coollabsio · 2026-07-06 · 11 CVEs total

CVE-2026-340389.9 CRITICALCoolify authenticated remote command injection leading to RCE and secret exfiltration
CVE-2026-422048.8 HIGHCoolify: Authenticated RCE via SHELL_SAFE_COMMAND_PATTERN regression → host root
CVE-2026-421538.8 HIGHCoolify: PostgreSQL Healthcheck Command Injection Allows Root Code Execution in Container
CVE-2026-341538.8 HIGHCoolify LocalFileVolume fs_path command injection enables RCE
CVE-2026-345998.8 HIGHCoolify: Authenticated Remote Code Execution in GetLogs Livewire Component
CVE-2026-327186.5 MEDIUMCoolify read-scoped API tokens can perform state-changing validation operations
CVE-2026-340506.5 MEDIUMCoolify Settings/Updates Livewire component missing instance administrator authorization
CVE-2026-341675.0 MEDIUMCoolify: Cross-tenant activity log disclosure via unlocked Livewire property in ActivityMo
CVE-2026-421483.8 LOWCoolify: Command Injection via Unescaped Version String in Docker Build
CVE-2026-340493.3 LOWCoolify: Command Injection via unsanitized MongoDB collection names in database backup

IV. Related Vulnerabilities

Same product: coolify
Same vendor: coollabsio
Same weakness: CWE-306

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