CVE-2026-59299
Received Received - Intake

Composition Lookup Poisoning in Spring Cloud Function

Vulnerability report for CVE-2026-59299, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-27

Last updated on: 2026-08-27

Assigner: VMware

Description

Composition lookup can potentially poison base function in Spring Cloud Function. Spring Cloud Function 5.0.0 - 5.0.3 Spring Cloud Function 4.3.0 - 4.3.4 Spring Cloud Function 4.2.0 - 4.2.7 Spring Cloud Function 3.2.16 and earlier

CVSS Scores

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Meta Information

Published
2026-08-27
Last Modified
2026-08-27
Generated
2026-08-28
AI Q&A
2026-08-27
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 9 associated CPEs
Vendor Product Version / Range
spring_project spring_cloud_function From 3.2.16 (inc) to 5.0.3 (inc)
spring_project spring_cloud_function 5.0.4
spring_project spring_cloud_function 4.3.5
spring_project spring_cloud_function 4.2.8
spring_project spring_cloud_function 3.2.17
vmware spring_cloud_function From 5.0.0 (inc) to 5.0.3 (inc)
vmware spring_cloud_function From 4.3.0 (inc) to 4.3.4 (inc)
vmware spring_cloud_function From 4.2.0 (inc) to 4.2.7 (inc)
vmware spring_cloud_function to 3.2.16 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

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Executive Summary

This vulnerability in Spring Cloud Function allows composition lookup to potentially poison the base function. This means an attacker could manipulate function composition in a way that alters the intended behavior of the base function.

Impact Analysis

An attacker could exploit this to alter the behavior of functions in your application, potentially leading to unintended operations or data exposure. The impact is rated as LOW severity, but upgrading is still recommended to prevent any misuse.

Mitigation Strategies

Upgrade to fixed versions: Spring Cloud Function 5.0.4, 4.3.5, 4.2.8, or 3.2.17. No additional mitigation steps are required beyond upgrading.

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EPSS Chart