{"action":"Upgrade undici to 6.28.0 or later.","affected":[{"fixed":"6.28.0","introduced":"0"},{"fixed":"7.29.0","introduced":"7.0.0"},{"fixed":"8.9.0","introduced":"8.0.0"}],"component":"undici","cve_ids":["CVE-2026-16729"],"ecosystem":"npm","epss":0.00278,"exploited":false,"fixed_versions":["6.28.0","7.29.0","8.9.0"],"ghsa_id":"GHSA-v3r7-h72x-cjcm","id":"tcs_01M5KGAMJ4WQBXK6D2DGMAE22Y","modified_at":"2026-09-10T03:51:14.535204629Z","published_at":"2026-08-03T19:30:52Z","references":["https://osv.dev/vulnerability/GHSA-v3r7-h72x-cjcm","https://github.com/nodejs/undici/security/advisories/GHSA-v3r7-h72x-cjcm","https://nvd.nist.gov/vuln/detail/CVE-2026-16729","https://github.com/nodejs/undici/commit/10d93fc332f2c8c161982dec3833201de29891b5","https://github.com/nodejs/undici/commit/3bf91ddb493e853957f3a58e155326a668ab8aef","https://github.com/nodejs/undici/commit/af7484043ee075a6f216da0ad77e1dac55199235","https://cna.openjsf.org/security-advisories.html","https://github.com/nodejs/undici","https://github.com/nodejs/undici/releases/tag/v6.28.0","https://github.com/nodejs/undici/releases/tag/v7.29.0","https://github.com/nodejs/undici/releases/tag/v8.9.0"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"GHSA-v3r7-h72x-cjcm","url":"https://osv.dev/vulnerability/GHSA-v3r7-h72x-cjcm"}],"summary":"undici vulnerable to cookie attribute injection via unsanitized domain and unparsed setCookie fields"}