CVE-2026-82235

MEDIUM 5.9

filebrowser through 2.63.23 Denial of Service via named pipes

CVSS Score

5.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-400
Vendor	filebrowser
Product	filebrowser
Published	Aug 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

filebrowser / filebrowser

0 ≤ 2.63.23

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8q5j-8wcr-8v2v github.com: https://github.com/filebrowser/filebrowser/commit/586d198d vulncheck.com: https://www.vulncheck.com/advisories/filebrowser-through-2.63.23-denial-of-service-via-named-pipes

Credits

🔍 skeletonsec