## GraphQL Tools: Shared legacy executor routes one subscription's results to a different caller

- 種別: advisory
- 重大度: medium
- 関連技術: nodejs, github
- CVE: CVE-2026-118666
- 公開日時: 2026-10-28T21:05:07.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-mp66-8ww2-pcwm)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-mp66-8ww2-pcwm

影響: npm:@graphql-tools/executor-legacy-ws <= 1.1.35 → 1.1.36
Cross-tenant subscription data leak in @graphql-tools/executor-legacy-ws: a shared websocket.onmessage is replaced on every subscribe(), and DATA frames are delivered without checking the protocol operation id Report metadata | Field | Value | | --- | --- | | Package | @graphql-tools/executor-legacy-ws (npm, pkg:npm/%40graphql-tools/executor-legacy-ws) | | Repository | https://github.com/ardatan/graphql-tools | | Component | buildWSLegacyExecutor → the returned executor's subscribe(observer) /…