`oras-go` tar extraction: Hardlink entry with relative Linkname escapes extract dir via process CWD resolution

Date Jul 1, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Go ยท oras.land/oras-go/v2
CVE CVE-2026-50163
High-risk advisory CVE-2026-50163

Summary

`oras-go` tar extraction: Hardlink entry with relative Linkname escapes extract dir via process CWD resolution

Why it matters

GitHub has published a reviewed security advisory for oras.land/oras-go/v2. Prioritize it with other application dependency updates.

Operator check

Check whether oras.land/oras-go/v2 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.