CVE-2026-11539CWE-306

CVE-2026-11539

Medium · published September 19, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
21.3
In the wild
Unconfirmed
What it is

IBM WebSphere Application Server 9.0 and 8.5 is affected by an authentication bypass vulnerability in the SOAP/JMX connector.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00297 · 21.3th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-09-19T00:17Z
References (1)
https://www.ibm.com/support/pages/node/7286610 · [email protected]
EPSS history
Timeline
  • 20 SEP 03:21Z
    EPSS moved — → 0%
    epss
  • 18 SEP 19:03Z
    IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities
    cvelistv5