CVE-2026-11549
IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty Improper Access Control
At a glance
- Severity
- MEDIUM 6.5
- EPSS
- EPSS 0.33 % · percentile 26 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- ibm
- NVD status
- Awaiting Analysis
Description
IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are affected by a virtual host bypass vulnerability.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | ibm |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | NVD · psirt@us.ibm.com (Secondary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2026-83286
- GCVE · GCVE-0-2026-11549
CERT-FR advisories
- CERTFR-2026-AVI-1336 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1206 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| IBM · WebSphere Application Server | affected 9.0 ; affected 8.5 |
| IBM · WebSphere Application Server - Liberty | affected 17.0.0.3 ≤ 26.0.0.5 |
References
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |