CVE-2026-8633
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities when using when using Web Server Plug-ins
CRITICAL 9.8
At a glance
- Source
- NVD
- EPSS
- EPSS 0.93 % · percentile 60 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- ibm
- NVD status
- Analyzed
Description
IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to remote code execution in the Web Server Plug-ins, through a specially crafted request.
Weaknesses (CWE)
- CWE-94 — Improper Control of Generation of Code
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | ibm |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · psirt@us.ibm.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-31927
- GCVE · GCVE-0-2026-8633
CERT-FR advisories
- CERTFR-2026-AVI-1165 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0748 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0698 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0667 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*≥ 8.5.0.0 ≤ 8.5.5.29cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*≥ 8.5.0.0 ≤ 8.5.5.29cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*≥ 9.0.0.0 ≤ 9.0.5.27cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*≥ 9.0.0.0 ≤ 9.0.5.27
Affected products
| Product | Versions |
|---|---|
| IBM · Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty | affected 8.5, 9.0 |
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 |