CVE-2026-28394 — OpenClaw < 2026.2.15 - Denial of Service via Unbounded Response Parsing in web_fetch Tool
OpenClaw versions prior to 2026.2.15 contain a denial of service vulnerability in the web_fetch tool that allows attackers to crash the Gateway process through memory exhaustion…
Published: 2026-03-05 · CVSS: 6.9 · CVSS 4.0
OpenClaw versions prior to 2026.2.15 contain a denial of service vulnerability in the web_fetch tool that allows attackers to crash the Gateway process through memory exhaustion by parsing oversized or deeply nested HTML responses. Remote attackers can social-engineer users into fetching malicious URLs with pathological HTML structures to exhaust server memory and cause service unavailability.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7