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CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2026-35640

OpenClaw < 2026.3.25 - Denial of Service via Unauthenticated Webhook Request Parsing

Description

OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated attackers to force resource-intensive parsing operations. Remote attackers can send malicious webhook requests to trigger denial of service by exhausting server resources through forced JSON parsing before signature rejection.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

OpenClaw OpenClaw

Default version status: unaffected

  • 0 to < 2026.3.25affected
  • 2026.3.25unaffected
pkg:npm/openclaw

References