Is CVE-2026-63397 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-63397?

CVE-2026-63397 has a CVSS v3 severity of MEDIUM (6.4).

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CVE-2026-63397

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.