CVE-2026-38991

Published: Apr 29, 2026 Last Modified: Apr 29, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,8
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

Cockpit 2.13.5 and earlier is 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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0003
Percentile
0,1th
Updated

EPSS Score Trend (Last 2 Days)

434

Unrestricted Upload of File with Dangerous Type

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: ASP.NET, Not Language-Specific, PHP
Technologies: AI/ML, Web Server
Likelihood of Exploit: Medium
View CWE Details
https://felsec.com/posts/cockpit-cms-2.13.5-multi-vulns/
https://felsec.com/posts/cockpit-cms-2.13.5-multi-vulns/
https://felsec.com/posts/cockpit-cms-2.13.5-multi-vulns/
https://felsec.com/posts/cockpit-cms-2.13.5-multi-vulns/
https://github.com/Cockpit-HQ/Cockpit/releases/tag/2.14.0
https://github.com/Cockpit-HQ/Cockpit/releases/tag/2.14.0