---
id: CVE-2026-59304
title: |-
  Improper caching of the original content type in Spring Cloud Stream Avro.
  Spring Cloud Stream 5.0.0 - 5.0.2
  Spring Cloud Stream 4.3.0 - 4.3.3
  Spring Cloud Stream 4.2.0 - 4.2.6
summary: |-
  Improper caching of the original content type in Spring Cloud Stream Avro.
  Spring Cloud Stream 5.0.0 - 5.0.2
  Spring Cloud Stream 4.3.0 - 4.3.3
  Spring Cloud Stream 4.2.0 - 4.2.6
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-843
published: '2026-08-27'
updated: '2026-08-28'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-59304'
references:
  - url: 'https://spring.io/security/cve-2026-59304'
    label: security@vmware.com
tags:
  - nvd
epss: 0.00211
epssPercentile: 0.10084
ingestedAt: '2026-08-29T21:42:35.727Z'
---

## Overview

Improper caching of the original content type in Spring Cloud Stream Avro.
Spring Cloud Stream 5.0.0 - 5.0.2
Spring Cloud Stream 4.3.0 - 4.3.3
Spring Cloud Stream 4.2.0 - 4.2.6

## Remediation

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