Medium 6.5Published Jul 6, 2026

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

Updated under an hour ago (Oct 26, 2026, 11:10 AM ET)

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It affects coollabsio coolify. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for coollabsio coolify

Exploited in the last 30 days

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.

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness (CWE): CWE-306, CWE-770
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: Jul 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

coollabsio coolify coollabsio:coolify (from the name)	before 4.0.0-beta.474	CNA record

References

https://github.com/coollabsio/coolify/security/advisories/GHSA-v64c-v633-58xpx-refsource-confirm
https://github.com/coollabsio/coolify/pull/9653x-refsource-misc
https://github.com/coollabsio/coolify/commit/371e883c75a87d82c398bf89ee8ad6387348520dx-refsource-misc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.