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.
https://access.redhat.com/errata/RHSA-2026:70230
https://access.redhat.com/errata/RHSA-2026:70229
https://access.redhat.com/errata/RHSA-2026:70228
https://access.redhat.com/errata/RHSA-2026:53806
https://access.redhat.com/errata/RHSA-2026:53646
https://access.redhat.com/errata/RHSA-2026:53645
https://access.redhat.com/errata/RHSA-2026:53644
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-55989
https://bugzilla.redhat.com/show_bug.cgi?id=2491620
https://access.redhat.com/security/cve/CVE-2026-15567
https://access.redhat.com/errata/RHSA-2026:70277
Source: Mitre, NVD
Published: 2026-08-11
Updated: 2026-09-25
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Severity: High
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.00347