CVE-2026-11540
IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities
IBM WebSphere Application Server 9.0 and 8.5 could allow a remote attacker to obtain sensitive information about the file system through the FileTransfer servlet.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities
IBM WebSphere Application Server 9.0 and 8.5 could allow a remote attacker to obtain sensitive information about the file system through the FileTransfer servlet.
- Record
CVE-2026-11540- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2026-83279
IBM WebSphere Application Server 9.0 and 8.5 could allow a remote attacker to obtain sensitive information about the file system through the FileTransfer servlet.
- Record
EUVD-2026-83279- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gw9h-2p46-wm4x
IBM WebSphere Application Server 9.0 and 8.5 could allow a remote attacker to obtain sensitive...
IBM WebSphere Application Server 9.0 and 8.5 could allow a remote attacker to obtain sensitive information about the file system through the FileTransfer servlet.
- Record
GHSA-gw9h-2p46-wm4x- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
IBM WebSphere Application Server 9.0 and 8.5 could allow a remote attacker to obtain sensitive information about the file system through the FileTransfer servlet.
- Record
CVE-2026-11540- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-11540 is a medium vulnerability (CVSS 5.3) in Ibm Websphere Application Server, published September 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.