CVE-2026-15564

high

Description

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.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112633

https://bugzilla.redhat.com/show_bug.cgi?id=2478005

https://access.redhat.com/security/cve/CVE-2026-15564

Details

Source: Mitre, NVD

Published: 2026-10-29

Updated: 2026-10-29

Risk Information

CVSS v2

Base Score: 6.2

Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.4

Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High