CVE-2026-8646
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities
CVSS Score
7.4
EPSS Score
0.0%
EPSS Percentile
0th
IBM WebSphere Application Server 9.0 and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to HTTP request smuggling. A remote attacker could smuggle a specially crafted request to the application server thereby allowing the attacker to bypass security controls, spoof identity, escalate privilege, and expose sensitive information.
| CWE | CWE-444 |
| Vendor | ibm |
| Product | websphere application server |
| Published | Jun 22, 2026 |
| Last Updated | Jun 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
IBM / WebSphere Application Server
9.0.0 ≤ 7.0.2 Interim Fix 035 8.5.0 ≤ 7.0.3 Interim Fix 017
IBM / WebSphere Application Server - Liberty
17.0.0.3 ≤ 26.0.0.6