{"action":"Upgrade nodemailer to 10.0.5 or later.","affected":[{"fixed":"10.0.5","introduced":"9.1.0"}],"component":"nodemailer","cve_ids":["CVE-2026-90776"],"ecosystem":"npm","epss":0.00684,"exploited":false,"fixed_versions":["10.0.5"],"ghsa_id":"GHSA-prgh-xp8r-p3m5","id":"tcs_01M5KG4D3K9KAZH9A6Q8PBC21V","modified_at":"2026-10-05T23:45:08.248427298Z","published_at":"2026-09-30T14:41:01Z","references":["https://osv.dev/vulnerability/GHSA-prgh-xp8r-p3m5","https://github.com/nodemailer/nodemailer/security/advisories/GHSA-prgh-xp8r-p3m5","https://nvd.nist.gov/vuln/detail/CVE-2026-90776","https://github.com/nodemailer/nodemailer/commit/c07f17518d25aca8ab2ad66968dcbca538c24b89","https://github.com/nodemailer/nodemailer","https://github.com/nodemailer/nodemailer/releases/tag/v10.0.5","https://www.vulncheck.com/advisories/nodemailer-9.1.0-through-10.0.4-denial-of-service-via-quadratic-address-parsing"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-prgh-xp8r-p3m5","url":"https://osv.dev/vulnerability/GHSA-prgh-xp8r-p3m5"}],"summary":"Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser)"}