GHSA-x863-p983-p4f7HighCVSS 8.1

Spring Framework Unsafe Deserialization via Jackson JMS Converters

Published
June 9, 2026
Last Modified
September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-41855 →

📋 Description

In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which can lead to unauthorized actions via gadget class deserialization.

Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

🎯 Affected products4

  • maven/org.springframework:spring-jms:<= 5.3.39
  • maven/org.springframework:spring-jms:>= 6.0.0, <= 6.1.21
  • maven/org.springframework:spring-jms:>= 6.2.0, <= 6.2.18
  • maven/org.springframework:spring-jms:>= 7.0.0-M1, <= 7.0.7

🔗 References (4)