XWiki Platform Old Core: Resource path traversal via /skin/ action endpoint in Jetty 12+
High-risk advisory
CVE-2026-34151
Summary
XWiki Platform Old Core: Resource path traversal via /skin/ action endpoint in Jetty 12+
Why it matters
GitHub has published a reviewed security advisory for org.xwiki.platform:xwiki-platform-oldcore. Prioritize it with other application dependency updates.
Operator check
Check whether org.xwiki.platform:xwiki-platform-oldcore is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.2.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.