## undici vulnerable to Denial of Service via unhandled exception in the decompress interceptor

- 種別: advisory
- 重大度: medium
- 関連技術: nodejs
- CVE: CVE-2026-87029
- 公開日時: 2026-10-27T19:02:10.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-55wc-3pg8-jfw6)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-55wc-3pg8-jfw6

影響: npm:undici >= 7.15.0, < 7.30.1 → 7.30.1, npm:undici >= 8.0.0, < 8.12.2 → 8.12.2
undici's decompress interceptor forwards decompressed response data to the downstream handler from zlib stream event callbacks without catching exceptions those callbacks may throw. undici's engine converts a synchronous throw from a downstream handler into a per-request failure, but that protection is not in place when the throw happens asynchronously from a zlib callback. As a result, a downstream handler that throws by design, for example the built-in dump interceptor which throws when a res…