CVE-2026-59287

Spring for GraphQL WebSocket Client Denial of Service

MEDIUM

5.9

CVSS Score

Published: August 27, 2026 at 05:57 PM UTC

Updated: September 2, 2026 at 05:32 PM UTC

2 products affected across 2 vendorsSpring for GraphqlSpring for GraphQL

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Severity

MEDIUM5.9

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Spring for Graphql · VMware

95%

1.3.0 ≤ v < 1.3.101.4.0 ≤ v < 1.4.72.0.0 ≤ v < 2.0.4.1

Affected range stops below 1.3.10, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.4.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.0.4.1, so it looks safe — our inference, not a vendor statement

Spring for GraphQL · Spring

60%

1.3.0 ≤ v ≤ 1.3.91.4.0 ≤ v ≤ 1.4.62.0.0 ≤ v ≤ 2.0.41.3.0 1.4.0 2.0.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://spring.io/security/cve-2026-59287

References (1)

Vendor Advisory

Source: cverecord

https://spring.io/security/cve-2026-59287

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUMCISA-ADP

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-770

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