CVE-2026-63397 Details
Description
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.
A code injection vulnerability has been identified in remorses/genql versions prior to 6.3.4. This issue allows an authenticated attacker to inject arbitrary JavaScript or TypeScript into the GraphQL schema that is processed by genql. The injected code is added to the generated schema.ts file and executes when the genql client is bundled and imported. This vulnerability arises from improper encoding of output, which can be exploited by manipulating type or field descriptions in the GraphQL schema.
Users can upgrade to genql version 6.3.4 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 21, 2026CISA-ADP
Assessed Jul 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/remorses/genql | Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government | |
| https://github.com/remorses/genql/releases/tag/%40genql%2Fcli%406.3.4 | Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government | |
| https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-197-01.json | Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government | |
| https://www.cve.org/CVERecord?id=CVE-2026-63397 | Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-116 | Improper Encoding or Escaping of Output | Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government |
Affected Products
No affected product data is available for this CVE.
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 21, 2026 | CVE Modified | CISA-ADP |
| Jul 16, 2026 | New CVE Received | Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government |