CVE-2025-59955: Coolify is an open-source and self-hostable tool for managing servers, applications, and databases

Routine

MEDIUM 5.7DOWNGRADE

CVE-2025-59955 is a medium-severity flaw (CVSS 5.7) affecting coolify. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.7 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-201, CWE-212, CWE-214
Published	2026-01-05
Last modified	2026-10-07

Publisher (CNA): GitHub, Inc. · Vendor: coollabs

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-05 18:15 UTCPublished CVE record published
2026-10-07 10:10 UTCUpdated Record last modified

coollabs coolify DOWNGRADE

Affected: 4.0.0 beta428

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0.0

1. Check installed version

apt-cache policy coolify || rpm -q coolify || coolify --version

2. No fixed release: DOWNGRADE to a release before 4.0.0 (Debian / Ubuntu)

apt-cache madison coolify sudo apt install coolify=<VERSION_BEFORE_4.0.0> sudo apt-mark hold coolify

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list coolify sudo dnf downgrade coolify-<VERSION_BEFORE_4.0.0> sudo dnf versionlock add coolify

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-59955?

coolify: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-59955 being exploited?

CVE-2025-59955 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-59955 affect?

CVE-2025-59955 affects coolify. Severity is medium (CVSS 5.7). 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}/membe

How urgent is CVE-2025-59955?

Priority 31/100. Public exploit reference

Related CVEs

CVE-2025-66209 CRITICAL 9.9 UPGRADE Coolify is an open-source and self-hostable tool for managing servers, applications, and databases
CVE-2025-66212 HIGH 8.8 UPGRADE Coolify is an open-source and self-hostable tool for managing servers, applications, and databases
CVE-2025-66213 HIGH 8.8 UPGRADE Coolify is an open-source and self-hostable tool for managing servers, applications, and databases
CVE-2025-66210 HIGH 8.8 UPGRADE Coolify is an open-source and self-hostable tool for managing servers, applications, and databases
CVE-2025-66211 HIGH 8.8 UPGRADE Coolify is an open-source and self-hostable tool for managing servers, applications, and databases

References

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