Race Condition Affecting @envelop/graphql-modules package, versions <9.1.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-ENVELOPGRAPHQLMODULES-15091528
- published25 Jan 2026
- disclosed21 Jan 2026
- creditThomas Wiringa
Introduced: 21 Jan 2026
CVE-2026-23735 (opens in a new tab)How to fix?
Upgrade @envelop/graphql-modules to version 9.1.0 or higher.
Overview
@envelop/graphql-modules is a This plugins integrates graphql-modules execution lifecycle into the GraphQL execution flow.
Affected versions of this package are vulnerable to Race Condition via the useGraphQLModules plugin. An attacker can cause request context data to be mixed between parallel requests by making multiple simultaneous requests that trigger the same service, leading to data leakage or unintended access to another user's context.
An application is susceptible to this race condition if its requests are processed together with contexts injected via @ExecutionContext() from a singleton provider.