---
id: CVE-2026-59299
title: >-
  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
summary: >-
  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
severity: low
cvss: 3.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N'
cwe:
  - CWE-471
published: '2026-08-27'
updated: '2026-08-28'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-59299'
references:
  - url: 'https://spring.io/security/cve-2026-59299'
    label: security@vmware.com
tags:
  - nvd
epss: 0.00151
epssPercentile: 0.04653
ingestedAt: '2026-08-29T21:42:35.525Z'
---

## Overview

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

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.