CVE-2026-100527

MediumCVSS 5.3/10Last modified Oct 5, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 26, 2026
Last modified
Oct 5, 2026
NVD status
Deferred

Related CVEs from 2026

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CVE-2026-100527: Medium severity, CVSS 5.3 | Vulnix