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Vulnerabilities

Vulnerability · CVE-2025-64421

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases.

Published Jan 5, 2026 · catalog updated Jan 5, 2026 · Coolify is an open-source

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-64421. EPSS is 0.30%. Act only if a listed version of Coolify is an open-source is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Coolify is an open-source).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.30%
Remediation
Advisory link
Affected products
vendor coollabsio coolify ≤ 4.0.0-beta.434

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify versions up to and including v4.0.0-beta.434, a low privileged user (member) can invite a high privileged user. At first, the application will throw an error, but if the attacker clicks the invite button a second time, it actually works. This way, a low privileged user can invite themselves as an administrator to the Coolify instance. After the high privileged user is invited, the attacker can initiate a password reset and log in with the new admin. As of time of publication, it is un

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor coollabsio coolify ≤ 4.0.0-beta.434≤ 4.0.0-beta.434

How to fix CVE-2025-64421

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-64421. EPSS is 0.30%. Act only if a listed version of Coolify is an open-source is installed.

Which versions are affected?

Compare what you have installed with coollabsio coolify ≤ 4.0.0-beta.434 ≤ 4.0.0-beta.434. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.30%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 5, 2026 · EUVD

    Detected

    Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify versions up to and including v4.0.0-beta.434, a low privileged user (member) can invite a high privileged user. At first, the application will throw an error, but if the attacker clicks the invite button a second time, it actually works. This way, a low privileged user can invite themselv

  2. Jan 5, 2026 · EUVD

    Updated

    Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify versions up to and including v4.0.0-beta.434, a low privileged user (member) can invite a high privileged user. At first, the application will throw an error, but if the attacker clicks the invite button a second time, it actually works. This way, a low privileged user can invite themselv

Sources

  • CVE.orgVulnerability recordCVE-2025-64421

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-64421

    30-day exploitation probability 0.30%

    first.org
  • EUVDVulnerability recordEUVD-2025-206239

    Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify versions up to and including v4.0.0-beta.434, a low privileged user (member) can invite a high privileged user. At first, the application will throw an error, but if the

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 31, 2026
  • EUVDOct 31, 2026