{"action":"Upgrade openclaw to 2026.3.28 or later.","affected":[{"fixed":"2026.3.28","introduced":"0"}],"component":"openclaw","cve_ids":["CVE-2026-35640"],"ecosystem":"npm","epss":0.00436,"exploited":false,"fixed_versions":["2026.3.28"],"ghsa_id":"GHSA-3h52-cx59-c456","id":"tcs_01M5KEXCANKZ9MZMCPNRJGQSN2","modified_at":"2026-04-10T20:42:17.774742Z","published_at":"2026-03-29T15:48:58Z","references":["https://osv.dev/vulnerability/GHSA-3h52-cx59-c456","https://github.com/openclaw/openclaw/security/advisories/GHSA-3h52-cx59-c456","https://nvd.nist.gov/vuln/detail/CVE-2026-35640","https://github.com/openclaw/openclaw/commit/5e8cb22176e9235e224be0bc530699261eb60e53","https://github.com/openclaw/openclaw","https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-unauthenticated-webhook-request-parsing"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-3h52-cx59-c456","url":"https://osv.dev/vulnerability/GHSA-3h52-cx59-c456"},{"source":"nvd","source_id":"CVE-2026-35640","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35640"}],"summary":"OpenClaw: Feishu webhook reads and parses unauthenticated request bodies before signature validation"}