{"action":"Upgrade undici to 7.29.1 or later.","affected":[{"fixed":"7.29.1","introduced":"7.15.0"},{"fixed":"8.10.2","introduced":"8.0.0"}],"component":"undici","cve_ids":["CVE-2026-84890"],"ecosystem":"npm","epss":0.00412,"exploited":false,"fixed_versions":["7.29.1","8.10.2"],"ghsa_id":"GHSA-3xpg-4rpp-hhhm","id":"tcs_01M5KEYP8V254B11VJ4VVD74BJ","modified_at":"2026-09-29T18:30:41.143057118Z","published_at":"2026-09-29T18:20:37Z","references":["https://osv.dev/vulnerability/GHSA-3xpg-4rpp-hhhm","https://github.com/nodejs/undici/security/advisories/GHSA-3xpg-4rpp-hhhm","https://nvd.nist.gov/vuln/detail/CVE-2026-84890","https://github.com/nodejs/undici/commit/2c7d7e1227043c644c4c32cfd1e276f4fd4fcb11","https://github.com/nodejs/undici/commit/7aac7f12f757844763c8b8f1ab6e305e80d55838","https://cna.openjsf.org/security-advisories.html","https://github.com/nodejs/undici","https://github.com/nodejs/undici/releases/tag/v7.29.1","https://github.com/nodejs/undici/releases/tag/v8.10.2"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-3xpg-4rpp-hhhm","url":"https://osv.dev/vulnerability/GHSA-3xpg-4rpp-hhhm"}],"summary":"undici vulnerable to Denial of Service via unbounded decompression of compressed responses"}