CVE-2026-11897
IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability with HTTP/2
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.
| CWE | CWE-770 |
| Vendor | ibm |
| Product | websphere application server - liberty |
| Published | Jul 30, 2026 |
| Last Updated | Jul 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
IBM / WebSphere Application Server - Liberty
17.0.0.3 ≤ 26.0.0.7
Credits
This vulnerability was reported to IBM by the Okta Red Team.