Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by a denial of service caused by insecure deserialization. A low-privileged, administrative user could exploit this vulnerability to consume system resources when the restConnector-2.0 feature is enabled.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| IBM | WebSphere Application Server - Liberty | 17.0.0.3 – ≤ 26.0.0.8 | — |
Advisories 1
- WID-SEC-2026-2807 IBM WebSphere Application Server Liberty: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 4, 2026
References
- https://www.ibm.com/support/pages/node/7283485 vendor-advisory patch