CVE-2026-62220CWE-307

CVE-2026-62220

Medium · published July 17, 2026

CVSS v3.1

5.3

EPSS

Percentile

43.2

In the wild

Unconfirmed

What it is

OpenClaw 2026.2.25 before 2026.5.26 allow a lower-trust caller or configured input path to bypass non-browser rate limits on WebSocket authentication attempts. When the affected feature is enabled and reachable by lower-trust input, this can consume gateway resources and reduce service availability.

The record

Technical detail

CVSS v3.1: 5.3 · MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0: Not supplied
EPSS: 0.00518 · 43.2th percentile
Weakness: CWE-307 · Improper Restriction of Excessive Authentication Attempts
Published: 2026-07-17T06:18Z

Affected products (1)

Product	Versions	Fixed in
openclaw/openclaw	≥ 2026.2.25, < 2026.5.26	2026.5.26

References (2)

https://github.com/openclaw/openclaw/security/advisories/GHSA-5p6w-wmh3-frfr · [email protected]https://www.vulncheck.com/advisories/openclaw-websocket-rate-limit-bypass · [email protected]

EPSS history

Timeline

17 JUL 00:07Z
OpenClaw 2026.2.25 < 2026.5.26 WebSocket Rate Limit Bypass
cvelistv5