CVE-2026-100527
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Summary
OpenClaw before 2026.8.2 contains a denial of service vulnerability in the Browser extension relay that allows unauthenticated network sources to exhaust pending-authentication capacity. Attackers can hold every pending slot by maintaining silent WebSocket upgrades, preventing paired extensions from completing Browser Relay Authentication v2.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| OpenClaw | OpenClaw | 0 < 2026.8.2 | affected |
| OpenClaw | OpenClaw | 2026.8.2 | unaffected |
Weaknesses
- CWE-400: Uncontrolled Resource Consumption
References
- https://github.com/openclaw/openclaw/security/advisories/GHSA-m78m-7h3q-q938
- https://www.vulncheck.com/advisories/openclaw-before-2026.8.2-denial-of-service-via-browser-relay
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