Allocation of Resources Without Limits or Throttling in Spring for GraphQL - CVE-2026-59287
Published: August 31, 2026
Vulnerability identifier: #VU146424
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-59287
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the WebSocketGraphQlClient when using the WebSocket client with keepAlive enabled. A remote attacker can interfere with the WebSocket connection to cause a denial of service.
Exploitation requires the application to use the WebSocketGraphQlClient to query a GraphQL API with the keepAlive option configured. The attacker must control the GraphQL server or perform a man-in-the-middle attack on the WebSocket connection.
Affected software
Spring for GraphQL
How to mitigate CVE-2026-59287
Install security update from vendor's website.
Spring for GraphQL - addressed in versions 1.3.10, 1.4.7, 2.0.4.1, 2.0.5