Resource exhaustion in IBM Websphere Application Server
CVE-2025-36099
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.
EPSS: 0.003 (22.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Ibm Websphere Application Server — versions 8.5, 9.0
- Ibm Websphere_application_server — versions 8.5.0.0, 9.0.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-36099?
- CVE-2025-36099 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.9/10. Published 2025-09-29.
- How severe is CVE-2025-36099?
- Medium severity. CVSS v3 base score is 4.9 out of 10.
- Is CVE-2025-36099 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.