Spring Framework Unsafe Deserialization via Jackson JMS Converters_CVE-2026-41855

8.1 / 10

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Basic Information

ID CVE-2026-41855

Source vmware

Published Jun 9, 2026 at 03:51

Affected Product

Vendor Spring

Product Spring Framework

Version 7.0.0

Affected Versions Spring Spring Framework 7.0.0
Spring Spring Framework 6.2.0
Spring Spring Framework 6.1.0
Spring Spring Framework 5.3.0

CWE Classification

CWE-502

References

spring.io /security/cve-2026-41855

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    "published": "2026-06-09T03:51:57.287Z",
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