VulnSocial

CVE-2026-100558

LOWCVSS 8.7 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

OpenClaw versions before 2026.8.1 contain a resource exhaustion vulnerability in the Gateway listener that allows unauthenticated clients to retain response sockets by sending WebSocket upgrade requests without matching connection semantics. Attackers can repeatedly send malformed upgrade requests to exhaust listener resources and cause denial of service without consuming the WebSocket pre-auth connection budget.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-400

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-27: 109-27
Referenced assets1 URL
By indicator
Full discourse1 post
  • ADK Cyber@ADKCyber

    CVE-2026-100558 (CVSS 8.7): OpenClaw versions before 2026.8.1 vulnerable to resource exhaustion in Gateway listener. Review and patch: https://nvd.nist.gov/vuln/detail/CVE-2026-100558 via NVD Recent High CVSS #CyberSecurity #InfoSec #Vulnerability #AI #MachineLearning https://t.co/9466tSqSRQ

    0000034
    96 followersView on X

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