Servers and applications
CVE-2025-64422
Rate-limit bypass on login via X-Forwarded-Host header
- Severity
- Medium 5.5
- Published
- 3 Jan 2026
- Last changed
- 7 Oct 2026
- Added to UpHeron
- 14 Oct 2026
- Fixed in
- 4.0.0-beta.435, 4.0.0
- Also known as
- GHSA-688j-rm43-5r8x
- Sources
- NVD, Project advisories (GitHub)
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…
Affected software
| Software | Affected versions |
|---|---|
CoolifyServers and applications · cpe:a:coollabs:coolify |
All 426 release lines
|
CoolifyServers and applications · github:coollabsio/coolify |
|
References
- NVD https://nvd.nist.gov/vuln/detail/CVE-2025-64422
- CVE.org https://www.cve.org/CVERecord?id=CVE-2025-64422
- GitHub Advisory Database https://github.com/advisories/GHSA-688j-rm43-5r8x
- github.com https://github.com/coollabsio/coolify/security/advisories/GHSA-688j-rm43-5r8x