CVE-2026-27956 | Coolify is an open-source and self-hostable tool for managin… | CVSS 4.3 MEDIUM

Description

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.464, `GET /api/v1/servers/{server_uuid}/domains?uuid={app_uuid}` bypasses team scoping when the optional uuid query parameter is provided. Any authenticated API user can enumerate domain names (FQDNs) of applications belonging to other teams. This vulnerability is fixed in 4.0.0-beta.464.

Metadata

CVE ID: CVE-2026-27956
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-02-25 03:11 UTC
Published: 2026-06-30 14:38 UTC
Last updated: 2026-06-30 15:06 UTC
Primary CWE: CWE-639
CWE-639: Authorization Bypass Through User-Controlled Key
Vendor / Product: coollabsio / coolify
Sources: cve.org · NVD

Severity & Metrics

4.3 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
coollabsio	coolify	—	< 4.0.0-beta.464

Weakness (CWE)

CWE	Source	Description
CWE-639	cna	CWE-639: Authorization Bypass Through User-Controlled Key

CVSS scores (1)

Score	Severity	Version	Source	Vector
4.3	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References (1)

https://github.com/coollabsio/coolify/security/advisories/GHSA-9x6p-29p3-h466 https://github.com/coollabsio/coolify/security/advisories/GHSA-9x6p-29p3-h466