The server in Red Hat JBoss Operations Network (JON), when SSL authentication is not configured for JON server / agent communication, allows remote attackers to execute arbitrary code via a crafted HTTP request, related to message deserialization. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-3737.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
11% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)