Nixpkgs security tracker

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Permalink CVE-2026-41399

7.5 HIGH

CVSS version: 3.1
Attack vector (AV): NETWORK
Attack complexity (AC): LOW
Privileges required (PR): NONE
User interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality impact (C): NONE
Integrity impact (I): NONE
Availability impact (A): HIGH

created 5 days, 6 hours ago Activity log

Created suggestion 5 days, 6 hours ago

OpenClaw < 2026.3.28 - Denial of Service via Unbounded Pre-auth WebSocket Upgrades

OpenClaw before 2026.3.28 accepts unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget allocation. Unauthenticated network attackers can exhaust socket and worker capacity to disrupt WebSocket availability for legitimate clients.

References

GitHub Security Advisory (GHSA-f44p-c7w9-7xr7) vendor-advisory
VulnCheck Advisory: OpenClaw < 2026.3.28 - Denial of Service via Unbounded Pre-auth WebSocket Upgrades third-party-advisory

Affected products

OpenClaw

==2026.3.28
<2026.3.28

Matching in nixpkgs

pkgs.openclaw

Self-hosted, open-source AI assistant/agent

nixos-unstable 2026.4.12
- nixpkgs-unstable 2026.4.21
- nixos-unstable-small 2026.4.21

Package maintainers

@mkg20001 Maciej Krüger <mkg20001+nix@gmail.com>
@chrisportela Chris Portela <chris@chrisportela.com>

Suggestion detail

References

Affected products

Matching in nixpkgs

pkgs.openclaw

Package maintainers