CVE-2026-9319
IBM WebSphere Application Server is affected by a remote code execution vulnerability
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM WebSphere Application Server is affected by a remote code execution vulnerability
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security.
- Record
CVE-2026-9319- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2026-33737
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security.
- Record
EUVD-2026-33737- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rqhj-2grh-m6c2
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution...
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security.
- Record
GHSA-rqhj-2grh-m6c2- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security.
- Record
CVE-2026-9319- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-9319 is a critical vulnerability (CVSS 9.0) in Ibm Websphere Application Server, published June 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 39th percentile. No source names a fixed version.