CVE-2026-79715 IBM WebSphere Application Server Liberty Path Traversal
A local attacker can use a crafted archive to write files outside the intended directory in IBM WebSphere Application Server Liberty.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-79715?
CVE-2026-79715 is a medium-severity path traversal vulnerability in IBM WebSphere Application Server - Liberty, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 could allow a local attacker to traverse directories on the system. An attacker could use a specially crafted application archive to write files outside the intended directory.
Weakness: CWE-22
Which versions are affected by CVE-2026-79715?
How do I fix CVE-2026-79715?
No fix has been published for CVE-2026-79715 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-2026-79715 being exploited?
There is no known exploitation of CVE-2026-79715 in the wild and no public exploit code.
Sources
Also known as GHSA-7f6g-4h8g-5rpq.