CVE-2026-75508 GraphQL-core - Denial of Service

GraphQL-core 3.2.3 to 3.2.12 and 3.3.0rc1 contain a denial of service caused by improper max_tokens counting in parser allowing memory exhaustion via comment-padded documents, letting unauthenticated remote attackers exhaust memory, exploit requires crafted GraphQL queries with many comments.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
22 October 2026
Updated
23 October 2026
Weakness
CWE-400

Vendor fix

Update to version 3.2.12 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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