IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.10 is affected by an information disclosure
Source GCVE Database
Not known to be exploited · CVSS 4.3 Medium.
Data as of 9 Nov 2026, 00:32 UTC
Thin evidence
One scorer or none| CNA (ibm) | CVSS 3.1 | 4.3 |
|---|
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 8 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMWebSphere Application Server - Liberty | Affected
| Fixed in– |
Ibmibm/websphere_application_server_libertypkg:rpm/ibm/websphere_application_server_libertyOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until a patch is available, restrict access to the JMX REST connector and monitor for unusual activity related to this component.
Description
IBM WebSphere Application Server Liberty versions 17.0.0.3 through 26.0.0.10 contain an information disclosure vulnerability. This flaw arises from unsafe class reflection in the JMX REST connector body parser, potentially allowing unauthorized information exposure. The vulnerability has a medium severity rating with a CVSS score of 4.3.