CVE-2026-119286 GraphQL-core - Denial of Service

GraphQL-core 3.3.0a3 to 3.3.1 contains a denial of service caused by reuse of ValidationAbortedError retaining tracebacks, letting unauthenticated clients exhaust memory by submitting documents with many validation errors, exploit requires no authentication.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.42% chance of exploitation in 30 days
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
29 October 2026
Updated
31 October 2026
Weakness
CWE-400

Vendor fix

Update to version 3.3.1 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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