Denial of Service Vulnerability in IBM WebSphere Application Server - Liberty
CVE-2026-15057

7.5HIGH

Key Information:

Vendor

IBM
Status
Websphere Application Server - Liberty
Vendor
CVE Published:
28 July 2026

What is CVE-2026-15057?

IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.7 are susceptible to a denial of service attack due to uncontrolled heap allocation. An attacker can exploit this vulnerability to potentially cause application downtime, impacting service availability. It is essential for users of affected versions to apply security patches and updates as recommended by IBM to mitigate this risk.

Affected Version(s)

WebSphere Application Server - Liberty 17.0.0.3 <= 26.0.0.7

References

https://www.ibm.com/support/pages/node/7280126
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.