CVE-2026-35640
MEDIUM
NVD
CVSS Score
5.3
Severity
MEDIUM
Published
Apr 09, 2026
Vendor
unknown
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.