Title: Spring Framework de Spring, Description: En un entorno JMS no confiable, org.springframework.jms.support.converter.MappingJackson2MessageConverter y org.springframework.jms.support.converter.JacksonJsonMessageConverter permiten la instanciación arbitraria de clases, lo que puede llevar a acciones no autorizadas a través de la deserialización de clases gadget.

Versiones afectadas:
Spring Framework 7.0.0 hasta 7.0.7; 6.2.0 hasta 6.2.18; 6.1.0 hasta 6.1.27; 5.3.0 hasta 5.3.48.

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

OR
          *cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* versions from (including) 5.3.0 up to (excluding) 5.3.49
          *cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* versions from (including) 6.1.0 up to (excluding) 6.1.28
          *cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (excluding) 6.2.18.1
          *cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* versions from (including) 7.0.0 up to (excluding) 7.0.7.1

VMware: https://spring.io/security/cve-2026-41855 Types: Vendor Advisory

[{"vendor":"Spring","product":"Spring Framework","defaultStatus":"unaffected","versions":[{"version":"7.0.0","lessThan":"7.0.8","versionType":"custom","status":"affected"},{"version":"6.2.0","lessThan":"6.2.19","versionType":"custom","status":"affected"},{"version":"6.1.0","lessThan":"6.1.28","versionType":"custom","status":"affected"},{"version":"5.3.0","lessThan":"5.3.49","versionType":"custom","status":"affected"}]}]

[{"vendor":"Spring","product":"Spring Framework","defaultStatus":"unaffected","versions":[{"version":"7.0.0","lessThan":"7.0.7.1","versionType":"custom","status":"affected"},{"version":"6.2.0","lessThan":"6.2.18.1","versionType":"custom","status":"affected"},{"version":"6.1.0","lessThan":"6.1.28","versionType":"custom","status":"affected"},{"version":"5.3.0","lessThan":"5.3.49","versionType":"custom","status":"affected"}]}]

{"timestamp":"2026-06-09T00:00:00+00:00","id":"CVE-2026-41855","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}

[{"vendor":"Spring","product":"Spring Framework","defaultStatus":"unaffected","versions":[{"version":"7.0.0","lessThan":"7.0.8","versionType":"custom","status":"affected"},{"version":"6.2.0","lessThan":"6.2.19","versionType":"custom","status":"affected"},{"version":"6.1.0","lessThan":"6.1.28","versionType":"custom","status":"affected"},{"version":"5.3.0","lessThan":"5.3.49","versionType":"custom","status":"affected"}]}]

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.

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-502

https://spring.io/security/cve-2026-41855