CVE-2026-41855 Affecting libspring-java package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-LIBSPRINGJAVA-17254589
  • published9 Jun 2026
  • disclosed9 Jun 2026

Introduced: 9 Jun 2026

CVE-2026-41855  (opens in a new tab)

How to fix?

There is no fixed version for Debian:unstable libspring-java.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libspring-java package and not the libspring-java package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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 Base Scores

version 3.1