Vulnerability · Published Jul 17, 2026 · Assigned by VulnCheck
CVE-2026-62220OpenClaw 2026.2.25 < 2026.5.26 WebSocket Rate Limit Bypass
Medium 5.3
In plain English
A medium-severity security flaw in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.5%top 55.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-307 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
- GitHub Security Advisory (GHSA-5p6w-wmh3-frfr) vendor-advisory
- VulnCheck Advisory: OpenClaw 2026.2.25 < 2026.5.26 WebSocket Rate Limit Bypass third-party-advisory