{"schema_version":"1","data":[{"id":8652,"advisory_id":"00309198-1434-4b51-a428-2d468b79fa19","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100527","source_published_at":"2026-09-26T02:18:29.745+00:00","published_at":"2026-10-24T23:04:45.553809+00:00","extraction_method":"structured","technologies":["core-cve","openclaw"],"cve_ids":["CVE-2026-100527"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"OpenClaw before 2026.8.2 Denial of Service via Browser Relay","summary":"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.","evidence":"cve:CVE-2026-100527","products":[{"name":{"value":"OpenClaw","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"medium","structured":{"id":"CVE-2026-100527","aliases":["CVE-2026-100527"],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","baseScore":6.9,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","userInteraction":"NONE","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","subIntegrityImpact":"NONE","vulnIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","vulnConfidentialityImpact":"NONE"}},{"format":"CVSS","cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"NONE"}}],"affected":[{"vendor":"OpenClaw","product":"OpenClaw","versions":[{"status":"affected","version":"0","lessThan":"2026.8.2","versionType":"semver"},{"status":"unaffected","version":"2026.8.2","versionType":"semver"}],"packageURL":"pkg:npm/openclaw","defaultStatus":"unaffected"}],"modified":"2026-10-05T14:55:04.758Z","provider":"cve","references":["https://github.com/openclaw/openclaw/security/advisories/GHSA-m78m-7h3q-q938","https://www.vulncheck.com/advisories/openclaw-before-2026.8.2-denial-of-service-via-browser-relay"],"provider_metadata":{"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-100527","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-05T14:02:42.599482Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-05T14:55:04.758Z"}}],"cna":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-26T02:18:29.745Z"}}},"related_cves":[{"value":"CVE-2026-100527","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"}}],"next_after":8652,"next_before":8652}