Genql: inject arbitrary JavaScript or TypeScript via a GraphQL schema
remorses/genql before version 6.3.4 allows an authenticated attacker with control of the GraphQL schema that is passed to genql to inject arbitrary JavaScript or TypeScript. The malicious code is injected into the generated schema.ts file and executes when the genql client is bundled and imported.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | @genql/cli | < 6.3.4 | 6.3.4 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-63397
- https://github.com/remorses/genql/issues/197
- https://github.com/remorses/genql/commit/2dbc80ffb767ee58e6b27d9d81d58fa1ee8bea28
- https://github.com/remorses/genql
- https://github.com/remorses/genql/releases/tag/%40genql%2Fcli%406.3.4
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-197-01.json
- https://www.cve.org/CVERecord?id=CVE-2026-63397
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-116- Platform
- npm
- Package
@genql/cli- Disclosed
- 16.07.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-w757-xvvv-vgfw - CC BY 4.0
Vulnerability history: @genql/cli
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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