CVE-2026-35640
OpenClaw < 2026.3.25 - Denial of Service via Unauthenticated Webhook Request Parsing
Summary
OpenClaw < 2026.3.25 - Denial of Service via Unauthenticated Webhook Request Parsing
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- advisory vulncheck.com
- patch github.com