{"action":"Upgrade nodemailer to 8.0.9 or later.","affected":[{"fixed":"8.0.9","introduced":"0"}],"component":"nodemailer","cve_ids":["CVE-2026-82661"],"ecosystem":"npm","epss":0.00261,"exploited":false,"fixed_versions":["8.0.9"],"ghsa_id":"GHSA-268h-hp4c-crq3","id":"tcs_01M5KES43MM46QNT54KCY1Z0GZ","modified_at":"2026-09-10T03:51:07.307465115Z","published_at":"2026-06-15T17:36:06Z","references":["https://osv.dev/vulnerability/GHSA-268h-hp4c-crq3","https://github.com/nodemailer/nodemailer/security/advisories/GHSA-268h-hp4c-crq3","https://github.com/nodemailer/nodemailer"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-268h-hp4c-crq3","url":"https://osv.dev/vulnerability/GHSA-268h-hp4c-crq3"}],"summary":"Nodemailer: CRLF injection in Nodemailer List-* header comments allows arbitrary message header injection"}