Security readout for executives and security teams
Plain-English summary
CVE-2026-23735 is a race condition in graphql-modules that can mix request context between parallel GraphQL requests. If that context carries authentication tokens, one request may use another request’s token when calling backend services. This creates a high business risk for data integrity and authorization boundaries in affected GraphQL servers.
Executive priority
Treat as high priority for GraphQL applications using graphql-modules. The main concern is broken request isolation that could affect authorization decisions or backend API calls. Patch quickly where authentication context is injected into services.
Technical view
Affected graphql-modules versions are >=2.2.1 and <2.4.1, and >=3.0.0 and <3.1.1. When concurrent requests trigger the same service, context injected via @ExecutionContext() can be shared incorrectly. The CVSS 4.0 score is 8.7, with network attack vector and high integrity impact. Fixed versions are 2.4.1 and 3.1.1.
Likely exposure
Exposure is likely limited to applications using graphql-hive/graphql-modules in the affected version ranges, especially services using @ExecutionContext() to pass authentication or request-specific data into shared services.
Exploitation context
The source bundle does not indicate active exploitation, and KEV is false. Exploitation would require concurrent requests that trigger the same service and rely on request-specific injected context. The practical impact depends on what sensitive values the application stores in ExecutionContext.
Researcher notes
This is CWE-362, a synchronization flaw under parallel execution. Focus assessment on dependency version, use of @ExecutionContext(), service singleton/shared behavior, and whether tokens or tenant identifiers are injected. Public sources name fixed versions but do not provide evidence of real-world exploitation.
Mitigation direction
- Upgrade graphql-modules to 2.4.1 or 3.1.1, according to your major version line.
- Prioritize GraphQL services that pass authentication tokens through @ExecutionContext().
- Review vendor advisory and release notes before deployment.
- If immediate upgrade is blocked, check vendor guidance for supported temporary mitigations.
Validation and detection
- Inventory package manifests and lockfiles for graphql-modules versions.
- Identify use of @ExecutionContext() in services handling authentication or backend API calls.
- Confirm production builds run 2.4.1, 3.1.1, or later.
- Review tests for concurrent request handling and request-context isolation.
- Monitor application logs for cross-user authorization anomalies.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-362: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-23735 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.7 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/graphql-hive/graphql-modules/security/advisories/GHSA-53wg-r69p-v3r7CVE reference · x_refsource_CONFIRM
- https://github.com/graphql-hive/graphql-modules/issues/2613CVE reference · x_refsource_MISC
- https://github.com/graphql-hive/graphql-modules/pull/2521CVE reference · x_refsource_MISC
- https://github.com/graphql-hive/graphql-modules/releases/tag/release-1768575025568CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
