# @graphql-tools/executor-legacy-ws (npm) vulnerabilities

3 known vulnerabilities (2 high, 1 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 2.0.8 (Oct 31, 2026): no advisory affects it
- Newest unaffected release: 2.0.8 (Oct 31, 2026), the latest release
- Weekly downloads: 11.5M
- Dependents: 10
- Releases: 500+ since 1.1.20 (Oct 30, 2025)
- Registry: https://www.npmjs.com/package/@graphql-tools/executor-legacy-ws
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-118666: 1.1.20-alpha-20251021211525-f24987f6bc376d6c6e88fdb1cfcc89beaef4ef5c to 1.1.36-alpha-20260930213106-001ad6da4923b8bb612d81d5418e51f7365e603b (1.1.36 is outside it)
- CVE-2026-118665: 1.1.20-alpha-20251021211525-f24987f6bc376d6c6e88fdb1cfcc89beaef4ef5c to 1.1.36-alpha-20260930213106-001ad6da4923b8bb612d81d5418e51f7365e603b (1.1.36 is outside it)
- CVE-2026-103921: 1.1.20-alpha-20251021211525-f24987f6bc376d6c6e88fdb1cfcc89beaef4ef5c to 1.1.35-rc-20260908112455-501eab0b35c6e76223e7ed3d60d6e26c72127f1a (1.1.35 is outside it)

Older releases aren't stored, so the earliest spans may start sooner.

## Advisories (3)

### [CVE-2026-118666](https://cve.now/CVE-2026-118666): GraphQL Tools: Shared legacy executor routes one subscription's results to a different caller

- Severity: Medium 6.0
- Published: Oct 28, 2026
- Affected: fixed in 1.1.36.
- Fixed in 1.1.36 (released Sep 30, 2026, 28 days before disclosure).
- The latest release, 2.0.8, is not affected.
- 69% of @graphql-tools/executor-legacy-ws downloads last week were affected versions (9.1M).

### [CVE-2026-118665](https://cve.now/CVE-2026-118665): GraphQL Tools: Per-request connection parameters persist into later users' WebSocket authentications

- Severity: High 8.2
- Published: Oct 28, 2026
- Affected: fixed in 1.1.36.
- Fixed in 1.1.36 (released Sep 30, 2026, 28 days before disclosure).
- The latest release, 2.0.8, is not affected.
- 69% of @graphql-tools/executor-legacy-ws downloads last week were affected versions (9.1M).

### [CVE-2026-103921](https://cve.now/CVE-2026-103921): GraphQL Tools: TLS Certificate Validation Disabled in Legacy GraphQL WebSocket Executor

- Severity: High 7.4
- Published: Oct 1, 2026
- Affected: fixed in 1.1.35.
- Fixed in 1.1.35 (released Sep 8, 2026, 23 days before disclosure).
- The latest release, 2.0.8, is not affected.
- 64% of @graphql-tools/executor-legacy-ws downloads last week were affected versions (8.5M).

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