{"action":"Upgrade undici to 7.28.0 or later.","affected":[{"fixed":"7.28.0","introduced":"7.0.0"},{"fixed":"8.5.0","introduced":"8.0.0"}],"component":"undici","cve_ids":["CVE-2026-9678"],"ecosystem":"npm","epss":0.00388,"exploited":false,"fixed_versions":["7.28.0","8.5.0"],"ghsa_id":"GHSA-pr7r-676h-xcf6","id":"tcs_01M5KG4BC39DEQEHMZBGRHGJBT","modified_at":"2026-09-10T03:51:09.340567236Z","published_at":"2026-06-18T14:28:13Z","references":["https://osv.dev/vulnerability/GHSA-pr7r-676h-xcf6","https://github.com/nodejs/undici/security/advisories/GHSA-pr7r-676h-xcf6","https://nvd.nist.gov/vuln/detail/CVE-2026-9678","https://cna.openjsf.org/security-advisories.html","https://github.com/nodejs/undici"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-pr7r-676h-xcf6","url":"https://osv.dev/vulnerability/GHSA-pr7r-676h-xcf6"}],"summary":"undici vulnerable to cross-user information disclosure via shared cache whitespace bypass"}