CVE-2026-41855

EUVD-2026-35344
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
Affected Products (NVD)
VendorProductVersion
vmwarespring_framework
5.3.0 ≤
𝑥
< 5.3.49
vmwarespring_framework
6.1.0 ≤
𝑥
< 6.1.28
vmwarespring_framework
6.2.0 ≤
𝑥
< 6.2.18.1
vmwarespring_framework
7.0.0 ≤
𝑥
< 7.0.7.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libspring-java
bookworm
unimportant
bullseye
unimportant
forky
unimportant
sid
unimportant
trixie
unimportant
Common Weakness Enumeration
References
https://spring.io/security/cve-2026-41855