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.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
filebrowser filebrowser unaffected
Version Status Constraints
0 affected ≤ 2.63.23

No data.

No data.

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Project Subscriptions

Vendors Products
Filebrowser Subscribe
Filebrowser Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

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

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: 2026-08-28T12:16:33.267

Link: CVE-2026-82235

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T13:30:07Z

Weaknesses