CVE-2026-28478 — OpenClaw < 2026.2.13 - Denial of Service via Unbounded Webhook Request Body Buffering
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 unauthen…
Published: 2026-03-05 · CVSS: 8.7 · CVSS 4.0
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: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7