CVE-2026-100527
OpenClaw before 2026.8.2 Denial of Service via Browser Relay
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-400 |
| Vendor | openclaw |
| Product | openclaw |
| Published | Sep 26, 2026 |
Stay Ahead of the Next One
Get instant alerts for openclaw openclaw
Be the first to know when new medium vulnerabilities affecting openclaw openclaw are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
OpenClaw / OpenClaw
0 < 2026.8.2
References
Credits
🔍 rexpository