CVE-2026-41399

OpenClaw before 2026.3.28 allows unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget Allocation, enabling unauthenticated attackers to exhaust socket and worker capacity and disrupt WebSocket availability for legitimate clients. The issue is tracked as CVE-20...

CVE-2026-41399 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...

OpenClaw 安全漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw prior to 2026.3.28 contained security vulnerabilities. These vulnerabilities stemmed from accepting unlimited concurrent unauthenticated WebSocket upgrades, which could allow unauthenticated...

PT-2026-35783

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.3.28 Description OpenClaw accepts unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget allocation. This allows unauthenticated network attackers to exhaust socket and worker...

OpenClaw: Gateway WebSocket Denial of Service via unbounded pre-auth upgrades

Summary The gateway accepted unbounded concurrent unauthenticated WebSocket upgrades before allocating them to an authenticated session budget. Impact An unauthenticated network attacker could consume socket and worker capacity and disrupt WebSocket availability for legitimate clients. Affected...

CVE-2026-32062

OpenClaw versions2026.2.21-2 prior to 2026.2.22 and @openclaw/voice-call versions 2026.2.21 prior to 2026.2.22 accept media-stream WebSocket upgrades before stream validation, allowing unauthenticated clients to establish connections. Remote attackers can hold idle pre-authenticated sockets open ...

EUVD-2026-11154

OpenClaw versions2026.2.21-2 prior to 2026.2.22 and @openclaw/voice-call versions 2026.2.21 prior to 2026.2.22 accept media-stream WebSocket upgrades before stream validation, allowing unauthenticated clients to establish connections. Remote attackers can hold idle pre-authenticated sockets open ...

CVE-2026-32062

OpenClaw versions 2026.2.21-2 up to, but not including, 2026.2.22, and @openclaw/voice-call versions 2026.2.21 up to, but not including, 2026.2.22 accept media-stream WebSocket upgrades before stream validation, allowing unauthenticated clients to establish connections. Remote attackers can hold...

CVE-2026-32062 OpenClaw 2026.2.21-2 < 2026.2.22 - Unauthenticated WebSocket Resource Exhaustion via Media Stream

OpenClaw versions 2026.2.21-2 up to, but not including, 2026.2.22, and @openclaw/voice-call versions 2026.2.21 up to, but not including, 2026.2.22 accept media-stream WebSocket upgrades before stream validation, allowing unauthenticated clients to establish connections. Remote attackers can hold...

Allocation of Resources Without Limits or Throttling

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the media-stream WebSocket upgrades. An attacker can exhaust server resources by establishing multiple unauthenticated pre-start...

PT-2026-24672

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.2.22 @openclaw/voice-call versions prior to 2026.2.22 Description OpenClaw and @openclaw/voice-call accept media-stream WebSocket upgrades before validating the stream, allowing unauthenticated clients to...

Astra Linux – Vulnerability in Apache2

Servicing WebSocket protocol upgrades over an HTTP/2 connection may lead to a Null Pointer dereference, causing the server process to crash and degrading performance...

mod_http2: DoS by null pointer in websocket over HTTP/2

A flaw was found in the Apache HTTP Server. Serving WebSocket protocol upgrades over an HTTP/2 connection could result in a NULL pointer dereference, leading to a crash of the server process...

OESA-2024-1847 mod_http2 security update

Modhttp2 is an official Apache httpd module, first released in 2.4.17. See Apache downloads to get a released version. modproxyhttp2 has been released in 2.4.23. Security Fixes: Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a...

USN-6885-2 apache2 regression

USN-6885-1 fixed vulnerabilities in Apache HTTP Server. One of the security fixes introduced a regression when proxying requests to a HTTP/2 server. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Marc Stern discovered that the Apache HTTP Server...

SUSE CVE-2024-36387

Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance...

DEBIAN-CVE-2024-36387

Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance...

AZL-43119 CVE-2024-36387 affecting package httpd for versions less than 2.4.61-1

Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance...

ALPINE-CVE-2024-36387

Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance...

AZL-43089 CVE-2024-36387 affecting package httpd for versions less than 2.4.61-1

Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance...