CVE-2026-27956

mediumCVSS 4.3covered by 1 sourcefirst seen 2026-06-30

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.

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Exploitation outlook

Low exploitation risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-27956: Coolify is an open-source and self-hostable tool for managing servers, applications, and datab…nvd · 2026-06-30

External references

NVD record for CVE-2026-27956

CVE.org record

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