{"action":"Upgrade defu to 6.1.5 or later.","affected":[{"fixed":"6.1.5","introduced":"0"}],"component":"defu","cve_ids":["CVE-2026-35209"],"ecosystem":"npm","epss":0.00398,"exploited":false,"fixed_versions":["6.1.5"],"ghsa_id":"GHSA-737v-mqg7-c878","id":"tcs_01M5KF8KXVTS562CQGSWGMX894","modified_at":"2026-09-10T03:50:43.584391111Z","published_at":"2026-04-04T06:17:53Z","references":["https://osv.dev/vulnerability/GHSA-737v-mqg7-c878","https://github.com/unjs/defu/security/advisories/GHSA-737v-mqg7-c878","https://nvd.nist.gov/vuln/detail/CVE-2026-35209","https://github.com/unjs/defu/pull/156","https://github.com/unjs/defu/commit/3942bfbbcaa72084bd4284846c83bd61ed7c8b29","https://github.com/unjs/defu","https://github.com/unjs/defu/releases/tag/v6.1.5"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-737v-mqg7-c878","url":"https://osv.dev/vulnerability/GHSA-737v-mqg7-c878"}],"summary":"defu: Prototype pollution via `__proto__` key in defaults argument"}