CVE-2026-11897

HIGH

IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability with HTTP/2

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
https://www.ibm.com/support/pages/node/7280695

Scores

CVSS v3 7.5
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (1)
IBM/WebSphere Application Server - Liberty 17.0.0.3 - 26.0.0.7
Published Jul 30, 2026
Tracked Since Jul 30, 2026