CVE-2026-41855
Published:June 09, 2026
Updated:June 11, 2026
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 Packages
https://github.com/spring-projects/spring-framework.git (GITHUB):
Affected version(s) >=v6.2.0 <v6.2.19Fix Suggestion:
Update to version v6.2.19https://github.com/spring-projects/spring-framework.git (GITHUB):
Affected version(s) >=v7.0.0 <v7.0.8Fix Suggestion:
Update to version v7.0.8org.springframework:spring-jms (JAVA):
Affected version(s) >=6.2.0 <6.2.19Fix Suggestion:
Update to version 6.2.19org.springframework:spring-jms (JAVA):
Affected version(s) >=7.0.0 <7.0.8Fix Suggestion:
Update to version 7.0.8Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Deserialization of Untrusted Data
EPSS
Base Score:
0.04