CVE-2023-34047

Exposure of data and identity to wrong session in Spring for GraphQL

MEDIUM

4.3

CVSS Score

Published: September 20, 2023 at 09:09 AM UTC

Updated: June 17, 2026 at 06:02 AM UTC

2 products affected across 2 vendorsSpring for GraphqlSpring for GraphQL

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Severity

MEDIUM4.3

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

A batch loader function in Spring for GraphQL versions 1.1.0 - 1.1.5 and 1.2.0 - 1.2.2 may be exposed to GraphQL context with values, including security context values, from a different session. An application is vulnerable if it provides a DataLoaderOptions instance when registering batch loader functions through DefaultBatchLoaderRegistry.

Affected

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

Spring for Graphql · VMware

95%

1.1.0 ≤ v ≤ 1.1.51.2.0 ≤ v ≤ 1.2.2

Spring for GraphQL · Spring

60%

1.1.0 ≤ v < 1.1.61.2.0 ≤ v < 1.2.31.1.0 1.2.0

Affected range stops below 1.1.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 1.2.3, so it looks safe — our inference, not a vendor statement

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-2023-34047

References (1)

Vendor Advisory

Source: [email protected]

https://spring.io/security/cve-2023-34047

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

4.3MEDIUM[email protected]

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

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfo

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