Resource exhaustion in Filebrowser

CVE-2026-82235

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.

Vulnerability class: DoS (Denial of Service)

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-82235?
CVE-2026-82235 is a medium-severity vulnerability in Filebrowser, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2026-08-28.
How severe is CVE-2026-82235?
Medium severity. CVSS v3 base score is 5.9 out of 10.