CVE-2026-41855

CVE-2026-41855

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 una…

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41855?
CVE-2026-41855 is a high-severity vulnerability, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2026-06-09.
How severe is CVE-2026-41855?
High severity. CVSS v3 base score is 8.1 out of 10.