Cockpit Vulnerable to Unrestricted Upload of File with Dangerous Type
Cockpit versions 2.13.5 and earlier are affected by a misconfiguration within the Bucket component _isFileTypeAllowed function where a specially crafted filename bypasses an extension filter. This allows an authenticated attacker to rename arbitrary files with the .php file extension enabling arbitrary code to be executed on the underlying server.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | cockpit-hq/cockpit | < 2.14.0 | 2.14.0 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-434- Platform
- Composer
- Package
cockpit-hq/cockpit- Disclosed
- 29.04.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-j2rx-4jg9-79mw - CC BY 4.0
Vulnerability history: cockpit-hq/cockpit
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 26
- First → latest
- 08.2022 05.2026
- Without a fix
- 9
- Exploited in attacks
- 0
Severity breakdown
- Critical 3
- High 13
- Medium 9
- Low 1
Disclosures per year
- 2022: 1
- 2023: 15
- 2024: 2
- 2025: 2
- 2026: 6
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Cockpit Vulnerable to Unrestricted Upload of File with Dangerous Type this entry
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