CVE-2026-14976 Path traversal in WebSphere Application Server - Liberty
Attackers can achieve remote code execution via path-segment injection when the collectiveController feature is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-14976?
CVE-2026-14976 is a high-severity path traversal vulnerability in Ibm Websphere Application Server, published on 28 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by remote code execution with the collectiveController-1.0 feature enabled.
Weakness: CWE-306
Which versions are affected by CVE-2026-14976?
It affects 1 product.
Products include Ibm Websphere Application Server.
How do I fix CVE-2026-14976?
No fix has been published for CVE-2026-14976 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-2026-14976 being exploited?
There is no known exploitation of CVE-2026-14976 in the wild and no public exploit code.
Other vulnerabilities in Ibm Websphere Application Server
Sources
Also known as GHSA-9c23-pjxh-grqq.