CVE-2026-28478 - OpenClaw < 2026.2.13 - Denial of Service via Unbounded Webhook Request Body Buffering

CVE-2026-28478 - OpenClaw < 2026.2.13 - Denial of Service via Unbounded Webhook Request Body Buffering

https://cvefeed.io/rssfeed/latest.atom / Fri, 03/06/2026 - 02:05
CVE ID : CVE-2026-28478
Published : March 5, 2026, 10:16 p.m. | 1 hour, 40 minutes ago
Description : 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.
Severity: 7.5 | HIGH
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.