Medium severity · published Sep 14, 2026
CVE-2026-16435
IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities
5.9
CVSS
0.4%
EPSS
No
On KEV
Description
IBM WebSphere Application Server 9.0, and 8.5 is affected by an authentication bypass vulnerability when using XD or Intelligent-Management features.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
WebSphere Application Server · IBM
9.0; 8.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-16435
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-16435
www.ibm.com
https://www.ibm.com/support/pages/node/7286610
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