Spring Framework Unsafe Deserialization via Jackson JMS Converters
39008
22 September 2026
22 September 2026
CLOSED
LOW
9.8 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2026-41855
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Brocade Security Advisory ID |
BSA-2026-3901 |
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Component |
Spring |
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Summary
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.
Products Affected
- No Brocade products are affected
Products Not Affected
- Brocade Fabric OS
[VEX Justification: Component_not_present] - Brocade SANnav
[VEX Justification: Vulnerable_code_not_in_execute_path] - Brocade ASCG
[VEX Justification: Component_not_present]
Solution
- While not exploitable, a security update is provided in Brocade SANnav 3.0.1a
Revision History
|
Version |
Change |
Date |
|
1.0 |
Initial Publication |
September 22, 2026 |
Disclaimer
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