CVE-2026-41855 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Spring	Spring Framework

No data.

No data.

References

Link	Providers
https://spring.io/security/cve-2026-41855

History

Tue, 09 Jun 2026 15:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 09 Jun 2026 06:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Spring Spring spring Framework
Vendors & Products		Spring Spring spring Framework

Tue, 09 Jun 2026 04:45:00 +0000

Type	Values Removed	Values Added
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.
Title		Spring Framework Unsafe Deserialization via Jackson JMS Converters
Weaknesses		CWE-502
References		https://spring.io/security/cve-2026-41855
Metrics		cvssV3_1 `{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: vmware

Published: 2026-06-09T03:51:57.287Z

Updated: 2026-06-10T03:58:29.461Z

Reserved: 2026-04-22T06:22:10.081Z

Link: CVE-2026-41855

Vulnrichment

Updated: 2026-06-09T13:24:43.347Z

NVD

Status : Awaiting Analysis

Published: 2026-06-09T05:16:37.770

Modified: 2026-06-09T13:49:39.993

Link: CVE-2026-41855

Redhat

No data.

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