CVE-2026-11806 IBM WebSphere Application Server Liberty is affected by a an arbitrary file read vulnerability
Attackers can read arbitrary files from the server when the restConnector feature is enabled, exposing sensitive data.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-11806?
CVE-2026-11806 is a high-severity path traversal vulnerability in Ibm Websphere Application Server, published on 30 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 is affected by an arbitrary file read vulnerability with the restConnector-2.0 feature enabled.
Weakness: CWE-444
Which versions are affected by CVE-2026-11806?
It affects 1 product.
Products include Ibm Websphere Application Server.
How do I fix CVE-2026-11806?
No fix has been published for CVE-2026-11806 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-11806 being exploited?
There is no known exploitation of CVE-2026-11806 in the wild and no public exploit code.
Other vulnerabilities in Ibm Websphere Application Server
Sources
Also known as GHSA-cxrq-p7xp-m9hw.