## undici vulnerable to cache poisoning and cross-user disclosure via cross-origin redirects

- 種別: advisory
- 重大度: high
- 関連技術: nodejs
- CVE: CVE-2026-109829
- 公開日時: 2026-10-27T19:02:31.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-4w7w-5xrc-9h26)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-4w7w-5xrc-9h26

影響: npm:undici >= 7.0.0, < 7.30.1 → 7.30.1, npm:undici >= 8.0.0, < 8.12.2 → 8.12.2
When an originless Agent composes the redirect and cache interceptors as compose(redirect(), cache()) with a shared cache (type: 'shared'), the cache builds its key from the original request URL before the redirect handler changes the origin. The response produced after a redirect is then stored under the original key, even when the redirect crossed to a different origin. An attacker who controls the target of a redirect from a trusted URL can have their response cached under that trusted URL.…