Quick answers
- Is CVE-2026-14909 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-14909 being exploited in the wild.
- How severe is CVE-2026-14909?
- Medium severity, with a CVSS score of 6.5, published 13 October 2026.
- Which products and versions are affected?
- IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.9.
- Is there a fix for CVE-2026-14909?
- Yes: fixed in WebSphere Application Server Liberty 26.0.0.10. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-14909 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-14909?
- Check whether you run IBM WebSphere Application Server Liberty at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: WebSphere Application Server Liberty 26.0.0.10
Technical details
An information disclosure vulnerability (CWE-209) in WebSphere Application Server Liberty versions 17.0.0.3 through 26.0.0.9 allows authenticated attackers to obtain sensitive information when restConnector-2.0 is enabled. The vulnerability leverages error messages that expose confidential data. The attack requires network access and valid authentication credentials.
Affected products
- IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.9
Timeline
- 2026-10-13: disclosed
- 2026-10: patched: Fix pack 26.0.0.10 availability expected October 2026