CVE-2026-79715: IBM WebSphere Application Server - Liberty

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• IBM WebSphere Application Server - Liberty: from 17.0.0.3, up to and including 26.0.0.9

Published 2026-10-13. Last modified 2026-10-16.