Remote Information Disclosure in IBM WebSphere Application Server
CVE-2026-11540

5.3MEDIUM

Key Information:

Vendor

IBM

Vendor
CVE Published:
18 September 2026

What is CVE-2026-11540?

IBM WebSphere Application Server versions 9.0 and 8.5 are susceptible to a vulnerability that enables a remote attacker to exploit the FileTransfer servlet. Through this exploitation, an attacker could gain unauthorized access to sensitive information contained in the file system, potentially leading to further compromises if the exposed data is leveraged.

Affected Version(s)

WebSphere Application Server 9.0

WebSphere Application Server 8.5

References

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.