IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability
Summary
| CVE | CVE-2026-15057 |
|---|---|
| State | PUBLISHED |
| Assigner | ibm |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-28 21:17:27 UTC |
| Updated | 2026-07-30 14:08:40 UTC |
| Description | IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service due to uncontrolled heap allocation. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.002630000 probability, percentile 0.180530000 (date 2026-07-31)
Problem Types: CWE-787 | CWE-787 CWE-787 Out-of-bounds Write
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | CNA | CVSS | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | IBM | WebSphere Application Server - Liberty | affected 17.0.0.3 26.0.0.7 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.ibm.com/support/pages/node/7280126 | [email protected] | www.ibm.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Additional Advisory Data
Solutions
CNA: IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH72167. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature. For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.7 using the servlet-3.1, servlet-4.0, servlet-5.0, servlet-6.0, or servlet-6.1 feature(s) : · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH72167--OR--· Apply Liberty Fix Pack 26.0.0.8 or later (targeted availability 3Q2026). Additional interim fixes may be available and linked off the interim fix download page.