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GraphQL Tools has prototype pollution in well-established utility function `mergeDeep`

CVE-2026-104852 affects @graphql-tools/utils. Affected range: <= 12.0.0. Fixed version: 12.0.1.

Published 2026-10-05 23:14:27.070697+00:00

CVE

CVE-2026-104852

CWE

CWE-1321

Product

@graphql-tools/utils

KEV

no

Affected products

• @graphql-tools/utils · <= 12.0.0 · Fixed version: 12.0.1

Provenance

• GitHub Advisory Database · Source record · observed 2026-10-05 23:10:51.172112+00:00 UTC
• NVD CVE API 2.0 · Source record · observed 2026-10-05 23:24:49.857042+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-104852.html