Spring for GraphQL is vulnerable to Denial of Service attacks when using the WebSocket client with keepAlive enabled. Spring for GraphQL 2.0.0 - 2.0.4 Spring for GraphQL 1.4.0 - 1.4.6 Spring for GraphQL 1.3.0 - 1.3.9
https://spring.io/security/cve-2026-59287
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-67176
Source: Mitre, NVD
Published: 2026-08-27
Updated: 2026-09-02
Base Score: 5.4
Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 5.9
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.00149