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Vulnerabilities

Security fix · CVE-2025-59158

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-2025-59158. EPSS is 0.50%. 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
Critical9.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.50%
Remediation
Version ranges on file
Affected products
vendor coollabsio coolify < 4.0.0-beta.420.7

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.420.6 are vulnerable to a stored cross-site scripting (XSS) attack in the project creation workflow. An authenticated user with low privileges (e.g., member role) can create a project with a maliciously crafted name containing embedded JavaScript. When an administrator later attempts to delete the project or its associated resource, the payload automatically executes in the admin’s browser context. Version 4.0.0-beta.420.7 contains a patch for

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.420.7< 4.0.0-beta.420.7

How to fix CVE-2025-59158

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-2025-59158. EPSS is 0.50%. 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.420.7 < 4.0.0-beta.420.7. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.50%. 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. Coolify versions prior to and including v4.0.0-beta.420.6 are vulnerable to a stored cross-site scripting (XSS) attack in the project creation workflow. An authenticated user with low privileges (e.g., member role) can create a project with a maliciously crafted name containing embedded JavaScript.

  2. Jan 5, 2026 · EUVD

    Updated

    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.420.6 are vulnerable to a stored cross-site scripting (XSS) attack in the project creation workflow. An authenticated user with low privileges (e.g., member role) can create a project with a maliciously crafted name containing embedded JavaScript.

Sources

  • CVE.orgVulnerability recordCVE-2025-59158

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-59158

    30-day exploitation probability 0.50%

    first.org
  • EUVDVulnerability recordEUVD-2025-206246

    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.420.6 are vulnerable to a stored cross-site scripting (XSS) attack in the project creation workflow. An authenticated user with

    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