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SCA: security update for @graphql-tools/executor-legacy-ws (GHSA-434m-5hcj-pxf3)

high Tenable Cloud Security Plugin ID 477832

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - GraphQL Tools provides utilities for building, stitching, and mocking GraphQL schemas. Prior to version
 1.1.36 of the GraphQL Tools legacy WebSocket executor package, buildWSLegacyExecutor in
 packages/executors/legacy-ws/src/index.ts retains request.extensions.connectionParams in the closure-
 scoped executorConnectionParams object after cleanupWebsocket closes a connection. When one executor is
 reused across different authorization contexts, a later request that omits a sensitive key can send an
 earlier caller's Authorization or tenant value in its connection_init payload, causing the downstream
 server to authenticate the later caller as the earlier user. Applications that create a new executor for
 every request are not affected. This issue is fixed in version 1.1.36 of the GraphQL Tools legacy
 WebSocket executor package. (CVE-2026-118665)

Solution

Update the @graphql-tools/executor-legacy-ws library and its related packages to version 1.1.36 or later.

See Also

https://github.com/advisories/GHSA-434m-5hcj-pxf3

Plugin Details

Severity: High

ID: 477832

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/29/2026

Updated: 10/29/2026

Risk Information

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2026-118665

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/28/2026

Vulnerability Publication Date: 10/28/2026

Reference Information

CVE: CVE-2026-118665

cwe: CWE-613