CVE-2026-75507: graphql-core >= 3.0.0, < 3.2.12, >= 3.3.0a1, < 3.3.0rc1

CVE-2026-75507 affects graphql-core. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). Affected range: >= 3.0.0, < 3.2.12. Fixed version: 3.2.12. Affected range: >= 3.3.0a1, < 3.3.0rc1. Fixed version: 3.3.0rc1.

Affected technology

graphql-core · >= 3.0.0, < 3.2.12, >= 3.3.0a1, < 3.3.0rc1
graphql-python

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated remote attacker can submit a shallow, highly compressible GraphQL query that pins a worker process and can saturate a multi-worker service. Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 22-Oct-2026 20:55 UTC

CWE: CWE-400, CWE-407
Product: graphql-core
CCR priority: 30.0 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-22 20:55:42.144132+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-22 20:50:20.011821+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-75507.html