High advisory for Dockhand

Advisory overview

Dockhand before 1.0.54 contains a path traversal vulnerability that allows authenticated users to read, overwrite, and delete .env files outside the stacks root by double-encoding the stack name. Attackers can send %252e%252e sequences to /api/stacks/[name]/env/raw to disclose cross-environment secrets, write into protected directories, or poison deployment variables.

Related references

• https://github.com/Finsys/dockhand/security/advisories/GHSA-q2vc-4qcx-2vm6
• https://www.vulncheck.com/advisories/dockhand-before-1.0.54-path-traversal-via-stack-environment-routes