High severity8.1NVD Advisory· Published Jun 9, 2026· Updated Jun 9, 2026
CVE-2026-41855
CVE-2026-41855
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.springframework:spring-jmsMaven | <= 5.3.39 | — |
org.springframework:spring-jmsMaven | >= 6.0.0, <= 6.1.21 | — |
org.springframework:spring-jmsMaven | >= 6.2.0, < 6.2.19 | 6.2.19 |
org.springframework:spring-jmsMaven | >= 7.0.0-M1, < 7.0.8 | 7.0.8 |
Affected products
2- Range: 7.0.0 - 7.0.7, 6.2.0 - 6.2.18, 6.1.0 - 6.1.27, 5.3.0 - 5.3.48
Patches
Vulnerability mechanics
References
4News mentions
2- Spring Projects: 25 Vulnerabilities Disclosed, Including SpEL Injection and Deserialization FlawsVypr Intelligence · Jun 10, 2026
- Spring Framework: 13 Vulnerabilities Disclosed on June 9, 2026Vypr Intelligence · Jun 9, 2026