go.qbee.io/transport: Symlink-chain path traversal in tar extraction (one level outside destination)

Impact The go.qbee.io/transport library is affected by a symlink-chain path traversal vulnerability in its extractTar routine. The library's path validation is strictly lexical and fails to account for on-disk symlinks created earlier in the extraction process. Consequently, a crafted tar archive...

PT-2026-51115

Name of the Vulnerable Software and Affected Versions go.qbee.io/transport versions prior to v1.26.25 Description The extractTar routine in the go.qbee.io/transport library contains a symlink-chain path traversal issue. Because path validation is strictly lexical and does not account for on-disk...