CVE-2026-11541
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by HTTP request smuggling
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 affected by an HTTP request smuggling vulnerability.
| CWE | CWE-444 |
| Vendor | ibm |
| Product | websphere application server |
| Published | Jun 30, 2026 |
Stay Ahead of the Next One
Get instant alerts for ibm websphere application server
Be the first to know when new high vulnerabilities affecting ibm websphere application server are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
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 8.5
IBM / WebSphere Application Server - Liberty
17.0.0.3 ≤ 26.0.0.6