{"action":"Upgrade openclaw to 2026.3.28 or later.","affected":[{"fixed":"2026.3.28","introduced":"0"}],"component":"openclaw","cve_ids":["CVE-2026-33578"],"ecosystem":"npm","epss":0.00303,"exploited":false,"fixed_versions":["2026.3.28"],"ghsa_id":"GHSA-63mg-xp9j-jfcm","id":"tcs_01M5KF5BZBEJ1B63PKEH4HVHVW","modified_at":"2026-04-06T17:05:23.034010Z","published_at":"2026-04-01T00:01:10Z","references":["https://osv.dev/vulnerability/GHSA-63mg-xp9j-jfcm","https://github.com/openclaw/openclaw/security/advisories/GHSA-63mg-xp9j-jfcm","https://nvd.nist.gov/vuln/detail/CVE-2026-33578","https://github.com/openclaw/openclaw/commit/e64a881ae0fb8af18e451163f4c2d611d60cc8e4","https://github.com/openclaw/openclaw","https://www.vulncheck.com/advisories/openclaw-sender-policy-allowlist-bypass-via-policy-downgrade-in-google-chat-and-zalouser-extensions"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-63mg-xp9j-jfcm","url":"https://osv.dev/vulnerability/GHSA-63mg-xp9j-jfcm"}],"summary":"OpenClaw: Google Chat and Zalouser group sender allowlist bypass via policy downgrade"}