{"action":"Upgrade openclaw to 2026.3.28 or later.","affected":[{"fixed":"2026.3.28","introduced":"0"}],"component":"openclaw","cve_ids":["CVE-2026-35646"],"ecosystem":"npm","epss":0.00244,"exploited":false,"fixed_versions":["2026.3.28"],"ghsa_id":"GHSA-mf5g-6r6f-ghhm","id":"tcs_01M5KG0H3FQ3H2CRPXQ2ZNJ5F0","modified_at":"2026-04-10T20:42:17.568627Z","published_at":"2026-03-29T15:50:09Z","references":["https://osv.dev/vulnerability/GHSA-mf5g-6r6f-ghhm","https://github.com/openclaw/openclaw/security/advisories/GHSA-mf5g-6r6f-ghhm","https://nvd.nist.gov/vuln/detail/CVE-2026-35646","https://github.com/openclaw/openclaw/commit/0b4d07337467f4d40a0cc1ced83d45ceaec0863c","https://github.com/openclaw/openclaw","https://www.vulncheck.com/advisories/openclaw-pre-authentication-rate-limit-bypass-in-webhook-token-validation"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-mf5g-6r6f-ghhm","url":"https://osv.dev/vulnerability/GHSA-mf5g-6r6f-ghhm"},{"source":"nvd","source_id":"CVE-2026-35646","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35646"}],"summary":"OpenClaw: Synology Chat Webhook Pre-Auth Rate-Limit Bypass Enables Brute-Force Guessing of Webhook Token"}