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CVE-2026-82235
8.2 HIGH
- CVSS version (CVSS): 4.0
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): High (H)
- Attack Requirement (AT): Present (P)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Vulnerable System Impact Confidentiality (VC): None (N)
- Vulnerable System Impact Integrity (VI): None (N)
- Vulnerable System Impact Availability (VA): High (H)
- Subsequent System Impact Confidentiality (SC): None (N)
- Subsequent System Impact Integrity (SI): None (N)
- Subsequent System Impact Availability (SA): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): High (H)
- Modified Attack Requirement (MAT): Present (P)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Vulnerable System Impact Confidentiality (MVC): None (N)
- Modified Vulnerable System Impact Integrity (MVI): None (N)
- Modified Vulnerable System Impact Availability (MVA): High (H)
- Modified Subsequent System Impact Confidentiality (MSC): Negligible (N)
- Modified Subsequent System Impact Integrity (MSI): Negligible (N)
- Modified Subsequent System Impact Availability (MSA): Negligible (N)
- Safety (S): Not Defined (X)
- Automatable (AU): Not Defined (X)
- Recovery (R): Not Defined (X)
- Value Density (V): Not Defined (X)
- Vulnerability Response Effort (RE): Not Defined (X)
- Provider Urgency (U): Not Defined (X)
- Confidentiality Req. (CR): Not Defined (X)
- Integrity Req. (IR): Not Defined (X)
- Availability Req. (AR): Not Defined (X)
- Exploit Maturity (E): Not Defined (X)
Activity log
- Created suggestion
filebrowser through 2.63.23 Denial of Service via named pipes
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.
References
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GitHub Security Advisory (GHSA-8q5j-8wcr-8v2v) vendor-advisory
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Patch Commit patch
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VulnCheck Advisory: filebrowser through 2.63.23 Denial of Service via named pipes third-party-advisory
Affected products
filebrowser
- =<2.63.23
Matching in nixpkgs
pkgs.filebrowser
Web application for managing files and directories
pkgs.filebrowser-quantum
Access and manage your files from the web
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nixos-unstable 1.2.2-stable
- nixpkgs-unstable 1.4.0-stable
- nixos-unstable-small 1.5.2-stable
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nixos-26.05 1.4.0-stable
- nixos-26.05-small 1.4.0-stable
- nixpkgs-26.05-darwin 1.4.0-stable
pkgs.python313Packages.filebrowser-safe
Snapshot of django-filebrowser for the Mezzanine CMS
Package maintainers
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@HritwikSinghal Hritwik Singhal <nix@thorin.theoakenshield.com>
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@JocimSus Joachim Susatiyo <joe.susatiyo@gmail.com>
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@prikhi Pavan Rikhi <pavan.rikhi@gmail.com>