What is GHSA-x863-p983-p4f7?

GHSA-x863-p983-p4f7 is a security advisory published by GitHub Security Advisories with High severity. In an untrusted JMS environment, org.springframework.jms.support.converter...

Which CVE IDs does GHSA-x863-p983-p4f7 cover?

GHSA-x863-p983-p4f7 covers the following CVE IDs: CVE-2026-41855. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-x863-p983-p4f7?

GHSA-x863-p983-p4f7 has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-x863-p983-p4f7HighCVSS 8.1

In an untrusted JMS environment, org.springframework.jms.support.converter...

Vendor

GitHub Security Advisories

Published

June 9, 2026

Last Modified

June 9, 2026

🔗 CVE IDs covered (1)

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-41855
https://spring.io/security/cve-2026-41855
https://github.com/advisories/GHSA-x863-p983-p4f7