Medium severity · published Sep 29, 2025
CVE-2025-36099
IBM WebSphere Application Server denial of service
4.9
CVSS
0.3%
EPSS
No
On KEV
Description
IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A privileged user could exploit this vulnerability to cause the server to consume memory resources.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
WebSphere Application Server · IBM
8.5; 9.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-36099
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-36099
Vendor Advisory
https://www.ibm.com/support/pages/node/7246549
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