Vulnerability details

CVE-2026-11897

IBM WebSphere Application Server - Liberty

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

CVSS 3.1

7.5High

Official 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.

CVSS scores

Score	Version	Source	Vector
7.5High	3.1	CVEProject cvelistV5 (CNA) (ibm)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`

Affected products

Vendor	Product	Versions	Source
IBM	WebSphere Application Server - Liberty	17.0.0.3 ≤ v ≤ 26.0.0.7	CVEProject cvelistV5 (CNA)

References and advisories

https://www.ibm.com/support/pages/node/7280695 vendor-advisorypatch

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Details

Published: 2026-07-30
Last updated: 2026-07-30
State: Published
Assigner (CNA): ibm

Exploit prediction (EPSS)

0.53%

Probability of exploitation in 30 days

45.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-770
Allocation of Resources Without Limits or Throttling