CVE-2026-15564
Published:October 29, 2026
Updated:October 30, 2026
Wildfly's IIOP listener may permit deserialization of input streams before authentication is performed. An attacker who can gain access to the IIOP port may be able to construct and send malicious objects and achieve deserialization, if the target EJB allows untyped method parameters, and depending on the potential gadget chains available in the running classpath.
Affected Packages
https://github.com/wildfly/wildfly.git (GITHUB):
Affected version(s) >=41.0.0.Beta1 <41.0.1.FinalFix Suggestion:
Update to version 41.0.1.Finalorg.wildfly:wildfly-ejb3 (JAVA):
Affected version(s) =40.0.0.Beta1 <41.0.1.FinalFix Suggestion:
Update to version 41.0.1.FinalRelated Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.5
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.4
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Inclusion of Functionality from Untrusted Control Sphere
EPSS
Base Score:
0.12