Vulnerability details

CVE-2026-41855

Spring Framework

Spring Framework Unsafe Deserialization via Jackson JMS Converters

CVSS 3.1
8.1High

Official 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.

CVSS scores

ScoreVersionSourceVector
8.1High 3.1 CVEProject cvelistV5 (CNA) (vmware) CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Spring Spring Framework 5.3.0 ≤ v < 5.3.49 CVEProject cvelistV5 (CNA)
Spring Spring Framework 6.1.0 ≤ v < 6.1.28 CVEProject cvelistV5 (CNA)
Spring Spring Framework 6.2.0 ≤ v < 6.2.18.1 CVEProject cvelistV5 (CNA)
Spring Spring Framework 7.0.0 ≤ v < 7.0.7.1 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-06-09
Last updated
2026-06-28
State
Published
Assigner (CNA)
vmware

Exploit prediction (EPSS)

0.32%
Probability of exploitation in 30 days
26%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-502
    Deserialization of Untrusted Data