CVE-2026-35209
1 advisory.
npm/defu CVE-2026-35209: high 7.5, EPSS 0.52%
defu: Prototype pollution via `__proto__` key in defaults argument
Action: Upgrade defu to 6.1.5 or later.
npm i defu@6.1.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.1.5 | - |
Fixed versions
| 6.1.5 |
Sources
- osv: 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
CVE-2026-35209 · published · modified · JSON