Vulnerability
CVE-2026-100527
Descriptive record received from OpenCTI and minimised for consultation in the Intel portal.
- Sharing
- PUBLIC-OSINT
- Confidence
- 100
- Source
- The CVE Program
- Updated
- 26/09/2026 08:14
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.
Aliases and classifications
CWE-400Uncontrolled Resource Consumption
Minimised technical details
No raw data- cisa kev
- False
- cvss score
- 5.3
- cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- cvss severity
- MEDIUM
Provenance
Public references
- GitHub Security Advisory (GHSA-m78m-7h3q-q938)
https://github.com/openclaw/openclaw/security/advisories/GHSA-m78m-7h3q-q938 - VulnCheck Advisory: OpenClaw before 2026.8.2 Denial of Service via Browser Relay
https://www.vulncheck.com/advisories/openclaw-before-2026.8.2-denial-of-service-via-browser-relay
EudorIA correlation
Intel catalogue
The vulnerability is also available in the EudorIA editorial catalogue.
Open EudorIA analysisPresence in OpenCTI describes an intelligence correlation and does not, by itself, constitute evidence of compromise, legal attribution or operational guidance applicable without context verification.