filebrowser through 2.63.23 fails to validate named pipes in directory archive and public download handlers, allowing attackers to trigger blocking open syscalls. Authenticated users or anonymous visitors with public share links can repeatedly request archives containing named pipes to pin server goroutines and exhaust connection resources.
History

Fri, 28 Aug 2026 11:30:00 +0000

Type Values Removed Values Added
Description filebrowser through 2.63.23 fails to validate named pipes in directory archive and public download handlers, allowing attackers to trigger blocking open syscalls. Authenticated users or anonymous visitors with public share links can repeatedly request archives containing named pipes to pin server goroutines and exhaust connection resources.
Title filebrowser through 2.63.23 Denial of Service via named pipes
First Time appeared Filebrowser
Filebrowser filebrowser
Weaknesses CWE-400
CPEs cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*
Vendors & Products Filebrowser
Filebrowser filebrowser
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-08-28T10:49:25.222Z

Updated: 2026-08-28T15:53:04.375Z

Reserved: 2026-08-28T10:37:04.620Z

Link: CVE-2026-82235

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-28T12:16:33.267

Modified: 2026-08-28T20:20:15.603

Link: CVE-2026-82235

cve-icon Redhat

No data.