IBM WebSphere Application Server Liberty is affected by a remote code execution and path-segment injection vulnerability
Summary
| CVE | CVE-2026-14976 |
|---|---|
| State | PUBLISHED |
| Assigner | ibm |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-28 21:17:26 UTC |
| Updated | 2026-07-30 15:16:25 UTC |
| Description | IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by remote code execution with the collectiveController-1.0 feature enabled. |
Risk And Classification
Primary CVSS: v3.1 7.1 HIGH from [email protected]
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.001900000 probability, percentile 0.090020000 (date 2026-07-31)
Problem Types: CWE-306 | CWE-306 CWE-306 Missing Authentication for Critical Function
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 7.1 | HIGH | CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 7.1 | HIGH | CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | IBM | WebSphere Application Server - Liberty | affected 17.0.0.3 26.0.0.8 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.ibm.com/support/pages/node/7281633 | [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 DT496531. 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 https://www.ibm.com/support/pages/node/6553910 . For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.8 using the collectiveController-1.0 feature(s): · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves DT496531 https://www.ibm.com/support/pages/node/7281416 --OR-- · Apply Liberty Fix Pack 26.0.0.9 or later (targeted availability 3Q2026). Additional interim fixes may be available and linked off the interim fix download page.