Algernon: Host header path traversal in --domain mode reads files and runs Lua from parent dir

Summary

Algernon: Host header path traversal in --domain mode reads files and runs Lua from parent dir

Why it matters

GitHub has published a reviewed security advisory for github.com/xyproto/algernon. Prioritize it with other application dependency updates, especially because EPSS places it in the 25% percentile.

Operator check

Check whether github.com/xyproto/algernon is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.3%; percentile: 25%.

Sources