Critical (9.8) in mulesoft mule runtime. EPSS 5.1% chance of exploitation in the next 30 days. Fixed in org.mule.runtime:mule 3.8.0.
The MuleSoft Mule Community Edition runtime engine before 3.8 allows remote attackers to execute arbitrary code because of Java Deserialization, related to Apache Commons Collections
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
5.1% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-11-01)