{"schema_version":"1","data":[{"id":857,"advisory_id":"732c6c77-5493-4a12-98ab-81e63a90cffb","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-33580","source_published_at":"2026-03-31T14:10:33.057+00:00","published_at":"2026-10-24T20:52:10.816021+00:00","extraction_method":"structured","technologies":["core-cve","openclaw"],"cve_ids":["CVE-2026-33580"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"OpenClaw < 2026.3.28 - Brute Force Attack via Missing Rate Limiting on Webhook Shared Secret Authentication","summary":"OpenClaw before 2026.3.28 contains a missing rate limiting vulnerability in the Nextcloud Talk webhook authentication that allows attackers to brute-force weak shared secrets. Attackers who can reach the webhook endpoint can exploit this to forge inbound webhook events by repeatedly attempting authentication without throttling.","evidence":"cve:CVE-2026-33580","products":[{"name":{"value":"OpenClaw","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"medium","structured":{"id":"CVE-2026-33580","aliases":["CVE-2026-33580"],"metrics":[{"format":"CVSS","cvssV4_0":{"Safety":"NOT_DEFINED","version":"4.0","Recovery":"NOT_DEFINED","baseScore":6.3,"Automatable":"NOT_DEFINED","attackVector":"NETWORK","baseSeverity":"MEDIUM","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","exploitMaturity":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","userInteraction":"NONE","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","subIntegrityImpact":"NONE","vulnIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"scenarios":[{"lang":"en","value":"GENERAL"}]},{"format":"CVSS","cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"affected":[{"vendor":"OpenClaw","product":"OpenClaw","versions":[{"status":"affected","version":"0","lessThan":"2026.3.28","versionType":"semver"},{"status":"unaffected","version":"2026.3.28","versionType":"semver"}],"packageURL":"pkg:npm/openclaw","defaultStatus":"unaffected"}],"modified":"2026-09-24T14:17:25.206Z","provider":"cve","references":["https://github.com/openclaw/openclaw/security/advisories/GHSA-9528-x887-j2fp","https://github.com/openclaw/openclaw/commit/e403decb6e20091b5402780a7ccd2085f98aa3cd","https://www.vulncheck.com/advisories/openclaw-brute-force-attack-via-missing-rate-limiting-on-webhook-shared-secret-authentication"],"provider_metadata":{"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-33580","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-03-31T17:18:43.381196Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-31T17:18:59.069Z"}}],"cna":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-24T14:17:25.206Z"}}},"related_cves":[{"value":"CVE-2026-33580","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"}}],"next_after":857,"next_before":857}