Vulnerability in Coollabs Coolify
CVE-2025-59955
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Coolify versions prior to and including v4.0.0-beta.420.8 have an information disclosure vulnerability in the `/api/v1/teams/{team_id}/members` and `/api/v1/teams/current/members` API endpoints allows authenticated team members to access a highly sensitive `email_change_code` from other users on the same team. This code is intended for a single-use email change verification and should be kept secret. Its exposure could enable a malicious actor to perform an unauthorized email address change on behalf of the victim. As of time of publication, no known patched versions exist.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Coollabs Coolify — versions 4.0.0
- Coollabsio Coolify — versions <= 4.0.0-beta.428
Weakness classification (CWE)
References
- github.com/coollabsio/coolify/security/advisories/GHSA-927g-56xp-6427 (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-59955?
- CVE-2025-59955 is a medium-severity vulnerability in Coollabs Coolify, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 5.7/10. Published 2026-01-05.
- How severe is CVE-2025-59955?
- Medium severity. CVSS v3 base score is 5.7 out of 10.