CVE-2026-9311
published 2026-06-01CVE-2026-9311: IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to remote code execution caused by the bypass of security controls.
PriorityP358critical9CVSS 3.1
AVNACHPRNUINSCCHIHAH
EPSS
0.51%
39.8th percentile
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to remote code execution caused by the bypass of security controls.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ibm | websphere_application_server | — | — |
| ibm | websphere_application_server | >= 8.5.0.0 < 8.5.5.30 | 8.5.5.30 |
| ibm | websphere_application_server | 9.0 – 1.1.9.12 | — |
| ibm | websphere_application_server | >= 9.0.0.0 < 9.0.5.29 | 9.0.5.29 |
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VulDB
IBM WebSphere Application Server up to 1.1.9.12/8.5 code injection
vuldb·2026-06-01·CVSS 9.0
CVE-2026-9311 [CRITICAL] IBM WebSphere Application Server up to 1.1.9.12/8.5 code injection
A vulnerability was found in IBM WebSphere Application Server up to 1.1.9.12/8.5. It has been declared as critical. This affects an unknown function. The manipulation results in code injection.
This vulnerability is identified as CVE-2026-9311. The attack can be executed remotely. There is not any exploit available.
It is recommended to upgrade the affected component.
GHSA
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to remote code execution caused by the bypass of security controls.
ghsa_unreviewed·2026-06-01
CVE-2026-9311 [CRITICAL] CWE-94 IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to remote code execution caused by the bypass of security controls.
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to remote code execution caused by the bypass of security controls.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-06-01
Published