CVE-2026-100527
MEDIUM
NVD
CVSS Score
5.3
Severity
MEDIUM
Published
Sep 26, 2026
Vendor
unknown
Description
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.