CVE-2026-28478
OpenClaw < 2026.2.13 - Denial of Service via Unbounded Webhook Request Body Buffering
Summary
OpenClaw < 2026.2.13 - Denial of Service via Unbounded Webhook Request Body Buffering
Original description
The description as published by the source.
OpenClaw versions prior to 2026.2.13 contain a denial of service vulnerability in webhook handlers that buffer request bodies without strict byte or time limits. Remote unauthenticated attackers can send oversized JSON payloads or slow uploads to webhook endpoints causing memory pressure and availability degradation.
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