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8.1 High

CVE-2026-41855 In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and…

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 products and versions

Product Affected versions Fixed in
Spring Framework 7.0 7.0.0 → < 7.0.7.1 7.0.7.1
Spring Framework 6.2 6.2.0 → < 6.2.18.1 6.2.18.1
Spring Framework 6.1 6.1.0 → < 6.1.28 6.1.28
Spring Framework 5.3 5.3.0 → < 5.3.49 5.3.49

References

Timeline

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