CVE-2026-11547
IBM WebSphere Application Server Liberty prior to 26.0.0.11 is affected by multiple vulnerabilities
IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.10 is affected by a server-side request forgery vulnerability in the Admin Center deploy validation endpoint.
Fixes and workarounds
Fix
IBM strongly recommends addressing the vulnerabilities now by applying the fix pack(s) listed below. For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.10: · Apply Liberty Fix Pack 26.0.0.11 https://www.ibm.com/support/pages/node/7294658 (availability November 2026) or later fix pack.
Source: CNA: ibmFix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: ibmAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| WebSphere Application Server - Liberty IBM |
≥ 17.0.0.3; ≤ 26.0.0.10 (affected, semver) | CNA: ibm |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 4.3 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | CNA: ibm |
| 3.1 / 4.3 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | NVD: [email protected] |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://www.ibm.com/support/pages/node/7295268CNA: ibm · vendor-advisory, patch
- https://www.ibm.com/support/pages/node/7295268[email protected]
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