CVE-2026-11536CWE-502insecure-deserialization

CVE-2026-11536

High · published July 31, 2026

CVSS v3.1
8.5
EPSS
1%
Percentile
47.1
In the wild
Unconfirmed
What it is

IBM WebSphere Application Server 9.0, and 8.5 is affected by a remote code execution vulnerability in the SOAP/JMX connector.

The record
Technical detail
CVSS v3.1
8.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00583 · 47.1th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-07-31T00:16Z
Affected products (2)
ProductVersionsFixed in
ibm/websphere_application_server≥ 8.5.0.0, < 8.5.5.298.5.5.29
ibm/websphere_application_server≥ 9.0.0.0, < 9.0.5.289.0.5.28
References (1)
https://www.ibm.com/support/pages/node/7277544 · [email protected]
EPSS history
Timeline
  • 30 JUL 19:02Z
    IBM WebSphere Application Server is affected by a remote code execution vulnerability
    cvelistv5