{"id":"CVE-2026-100527","published":"2026-09-26T03:16:57.910","lastModified":"2026-09-28T15:23:38.510","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.","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","cwes":["CWE-400"],"vendors":[],"products":[],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-m78m-7h3q-q938","tags":[]},{"url":"https://www.vulncheck.com/advisories/openclaw-before-2026.8.2-denial-of-service-via-browser-relay","tags":[]}],"exploitRefs":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-m78m-7h3q-q938","tags":[]}],"hasPoc":true,"ai":null}