CVE-2026-15567

HIGH CVSS 3.1: 7.5
Updated Aug 11, 2026
Red Hat
Parameter Value
CVSS 7.5 (HIGH)
Vendor Red Hat
Public PoC No

A flaw was found in Wildfly. A remote unauthenticated attacker can trigger OutOfMemoryError as CSIv2Util's GSS token decoder reads an attacker-controlled length field without bounds checking and attempts to allocate a byte array of that size.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

red hat:red hat single sign-on 7 red hat:red hat jboss enterprise application platform expansion pack red hat:red hat fuse 7 red hat:red hat jboss enterprise application platform 7 red hat:red hat jboss enterprise application platform 8