CVE-2026-105442
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by a deserialization of untrusted data
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 Liberty could allow a remote attacker to cause a denial of service caused by an insecure deserialization in the messaging service.
| CWE | CWE-502 |
| Vendor | ibm |
| Product | websphere application server |
| Published | Oct 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
IBM / WebSphere Application Server
8.5 9.0
IBM / WebSphere Application Server - Liberty
17.0.0.3 ≤ 26.0.0.10