9.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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GHSA-6jqf-mv7m-3q7p

GHSA-6jqf-mv7m-3q7p: File Browser has risk of HTTP Request/Response smuggling through vulnerable dependency

The standard library net/http package dependency used by File Browser improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. I can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

See https://nvd.nist.gov/vuln/detail/CVE-2025-22871 for more details.

(GitHub Advisory)

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GHSA-6jqf-mv7m-3q7p

GHSA-6jqf-mv7m-3q7p:

9.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
github.com/filebrowser/filebrowser/v2	go	<= 2.45.1	2.45.2

Technical Details

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Root Cause Analysis

The vulnerability is not in the filebrowser code itself, but in a dependency, the Go standard library's net/http package. The vulnerability allows for HTTP request smuggling. The fix for this vulnerability is to upgrade the Go version, which is what the patch does. Since the vulnerability is in a dependency, there are no specific vulnerable functions within the filebrowser application code. The entire application is vulnerable because it is built with a vulnerable version of Go. The main.main function is the most likely entry point for the application and the start of the HTTP server, making it the most relevant function to identify in a runtime profile during exploitation.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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