CVE-2026-42145: CWE-434: Unrestricted Upload of File with Dangerous Type in coollabsio coolify
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, the file upload endpoint (app/Http/Controllers/UploadController.php) for database backup restore uploads did not enforce file type or size validation, allowing an authenticated user to upload unexpected or oversized files that could affect service availability. This issue is fixed in version 4.0.0-beta.474.
AI Analysis
Technical Summary
CVE-2026-42145 describes a vulnerability in coollabsio's Coolify tool where the file upload endpoint (app/Http/Controllers/UploadController.php) for database backup restore uploads lacked validation for file type and size prior to version 4.0.0-beta.474. This allowed authenticated users to upload files of dangerous types or oversized files, potentially affecting service availability. The vulnerability is classified under CWE-434 (Unrestricted Upload of File with Dangerous Type) and CWE-770 (Allocation of Resources Without Limits or Throttling). The issue is resolved in version 4.0.0-beta.474.
Potential Impact
An authenticated user could upload unexpected or oversized files via the database backup restore upload endpoint, which may affect the availability of the Coolify service. There is no indication of confidentiality or integrity impact. The CVSS score of 3.1 reflects a low severity impact primarily related to availability.
Mitigation Recommendations
Upgrade to Coolify version 4.0.0-beta.474 or later, where the file upload validation issue is fixed. Since the vendor advisory indicates the issue is fixed in this version, applying this official fix is the recommended remediation. No additional mitigation steps are specified.
CVE-2026-42145: CWE-434: Unrestricted Upload of File with Dangerous Type in coollabsio coolify
Description
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, the file upload endpoint (app/Http/Controllers/UploadController.php) for database backup restore uploads did not enforce file type or size validation, allowing an authenticated user to upload unexpected or oversized files that could affect service availability. This issue is fixed in version 4.0.0-beta.474.
CVSS v3.1
Score 3.1low
Affected software
pkg:github/coollabsio/coolifyRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-42145 describes a vulnerability in coollabsio's Coolify tool where the file upload endpoint (app/Http/Controllers/UploadController.php) for database backup restore uploads lacked validation for file type and size prior to version 4.0.0-beta.474. This allowed authenticated users to upload files of dangerous types or oversized files, potentially affecting service availability. The vulnerability is classified under CWE-434 (Unrestricted Upload of File with Dangerous Type) and CWE-770 (Allocation of Resources Without Limits or Throttling). The issue is resolved in version 4.0.0-beta.474.
Potential Impact
An authenticated user could upload unexpected or oversized files via the database backup restore upload endpoint, which may affect the availability of the Coolify service. There is no indication of confidentiality or integrity impact. The CVSS score of 3.1 reflects a low severity impact primarily related to availability.
Mitigation Recommendations
Upgrade to Coolify version 4.0.0-beta.474 or later, where the file upload validation issue is fixed. Since the vendor advisory indicates the issue is fixed in this version, applying this official fix is the recommended remediation. No additional mitigation steps are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-04-24T17:15:21.834Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4c745c27e9c79719d47766
Added to database: 07/07/2026, 03:37:00 UTC
Last enriched: 07/14/2026, 08:30:17 UTC
Last updated: 08/19/2026, 22:52:12 UTC
Views: 115
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