IzPack has Path Traversal in UnpackerBase that allows writing files outside the installation directory via malicious ...
High-risk advisory
CVE-2026-54550
Summary
IzPack has Path Traversal in UnpackerBase that allows writing files outside the installation directory via malicious pack entries
Why it matters
GitHub has published a reviewed security advisory for org.codehaus.izpack:izpack-installer. Prioritize it with other application dependency updates, especially because EPSS places it in the 31% percentile.
Operator check
Check whether org.codehaus.izpack:izpack-installer is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.4%; percentile: 31%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.