{"action":"Upgrade @anthropic-ai/claude-code to 2.0.65 or later.","affected":[{"fixed":"2.0.65","introduced":"0"}],"component":"@anthropic-ai/claude-code","cve_ids":["CVE-2026-21852"],"ecosystem":"npm","epss":0.27504,"exploited":false,"fixed_versions":["2.0.65"],"ghsa_id":"GHSA-jh7p-qr78-84p7","id":"tcs_01M5KFY3YZ8FKKRF4F4MG00NXM","modified_at":"2026-02-03T03:11:19.470547Z","published_at":"2026-01-21T01:00:31Z","references":["https://osv.dev/vulnerability/GHSA-jh7p-qr78-84p7","https://github.com/anthropics/claude-code/security/advisories/GHSA-jh7p-qr78-84p7","https://nvd.nist.gov/vuln/detail/CVE-2026-21852","https://github.com/anthropics/claude-code"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-jh7p-qr78-84p7","url":"https://osv.dev/vulnerability/GHSA-jh7p-qr78-84p7"},{"source":"nvd","source_id":"CVE-2026-21852","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21852"}],"summary":"Claude Code Leaks Data via Malicious Environment Configuration Before Trust Confirmation"}