What is CVE-2026-41899?

CVE-2026-41899 is a medium-severity vulnerability in Coollabsio Coolify, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2026-07-06.

How severe is CVE-2026-41899?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Coollabsio Coolify

CVE-2026-41899

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…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Coollabsio Coolify — versions < 4.0.0-beta.474

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-41899?: CVE-2026-41899 is a medium-severity vulnerability in Coollabsio Coolify, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2026-07-06.
How severe is CVE-2026-41899?: Medium severity. CVSS v3 base score is 6.5 out of 10.