CVE-2026-15564: Red Hat JBoss Enterprise Application Platform 7 (High, CVSS 7.4)

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CVE-2026-15564HighRed Hat JBoss Enterprise Application Platform 7
CVSS
7.4 High (v3.1)
EPSS
0.1% chance of exploitation in the next 30 days (higher than 2.1% of CVEs)
Exploited in the wild
Not on CISA’s KEV list
Public exploit
None reported in public exploit databases
Weakness
CWE-829
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
Oct 29, 2026

What it is

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.

Description from the National Vulnerability Database.

What to do

Check whether you run Red Hat JBoss Enterprise Application Platform 7, then apply the vendor’s fix or mitigation from the advisories below.

Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.