CVE-2026-28478
High · 7.5CVSS
7.5
EPSS
0.8%
Published
Mar 5, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | clawdbot | 0 | No fix |
| npm | openclaw | 0 | 2026.2.13 |
Related vulnerabilities
- GHSA-q447-rj3r-2cgh OpenClaw affected by denial of service via unbounded webhook request body buffering Same vulnerability
- CVE-2026-29612 OpenClaw versions prior to 2026.2.14 decode base64-backed media inputs into buffers… Also affects clawdbot
- CVE-2026-28480 OpenClaw versions prior to 2026.2.14 contain an authorization bypass vulnerability where… Also affects clawdbot
- CVE-2026-28469 OpenClaw versions prior to 2026.2.14 contain a webhook routing vulnerability in the… Also affects clawdbot
- CVE-2026-28452 OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the… Also affects clawdbot
- CVE-2026-26328 OpenClaw is a personal AI assistant. Also affects clawdbot
- CVE-2026-26317 OpenClaw is a personal AI assistant. Also affects clawdbot
- GHSA-mj5r-hh7j-4gxf OpenClaw Telegram allowlist authorization accepted mutable usernames Also affects clawdbot