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CVE-2025-64422— Rate-limit bypass on login via X-Forwarded-Host header

Quick assessment

Affected
coollabsio coolify
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Coolify是coolLabs开源的一个开源和自托管的 Heroku/Netlify/Vercel 替代品。 Coolify 4.0.0-beta.434版本存在安全漏洞，该漏洞源于登录端点速率限制可被绕过，可能导致暴力破解攻击。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.26% · P18
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I. Basic Information for CVE-2025-64422

Vulnerability Information
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Vulnerability Title
Rate-limit bypass on login via X-Forwarded-Host header
Source: CVE Program / CVE List V5
Vulnerability Description
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify vstarting with version 4.0.0-beta.434, the /login endpoint advertises a rate limit of 5 requests but can be trivially bypassed by rotating the X-Forwarded-For header. This enables unlimited credential stuffing and brute-force attempts against user and admin accounts. As of time of publication, it is unclear if a patch is available.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Coolify 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Coolify是coolLabs开源的一个开源和自托管的 Heroku/Netlify/Vercel 替代品。 Coolify 4.0.0-beta.434版本存在安全漏洞，该漏洞源于登录端点速率限制可被绕过，可能导致暴力破解攻击。
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

Vendor Product Affected Versions CPE Subscribe
coollabsio coolify >= 4.0.0-beta.434 -

II. Public POCs for CVE-2025-64422

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III. Intelligence Information for CVE-2025-64422

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Vendor Advisories for CVE-2025-64422 (1)

Same Patch Batch · coollabsio · 2026-01-05 · 11 CVEs total

CVE-2025-64420 10.0 CRITICAL Coolify members can see private key of root user
CVE-2025-59157 10.0 CRITICAL Coolify has Git Repository RCE
CVE-2025-64419 9.7 CRITICAL Coolify vulnerable to command injection via docker-compose.yaml parameters
CVE-2025-64424 Colify has command injection vulnerability in project git source
CVE-2025-64421 Coolify has a privilege escalation - low privileged user can invite themselves as an admin
CVE-2025-64423 Coolify has a Privilege Escalation - low privileged users can see and use admin invitation
CVE-2025-64425 Coolify has host header injection in forgot password
CVE-2025-59158 Coolify has Stored XSS in Project Name
CVE-2025-59156 Coolify has Docker Compose Injection issue
CVE-2025-59955 Coolify leaksensitive information `email_change_code` in `/api/v1/teams/{team_id | current

IV. Related Vulnerabilities

Same product: coolify
Same vendor: coollabsio
Same weakness: CWE-770

V. Comments for CVE-2025-64422

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