TI-2026-09884 Aliases CVE-2026-11455 GHSA-h4jg-8v58-57wj

FoundationAgents MetaGPT common.py check_cmd_exists command injection

MEDIUM 45CWE-74Published 2026-06-07 · Updated 2026-06-08

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: High
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

A vulnerability was determined in FoundationAgents MetaGPT up to 0.8.2. Affected by this issue is the function check_cmd_exists of the file metagpt/utils/common.py. This manipulation of the argument mermaid.path causes command injection. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitation is known to be difficult. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01029 63rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
FoundationAgents	MetaGPT	0.8.0; 0.8.1; 0.8.2	—	No fix listed	CNA

MetaGPT VendorFoundationAgents Affected 0.8.0; 0.8.1; 0.8.2 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:foundationagents:metagpt::::::::	—	—	—

cpe:2.3:a:foundationagents:metagpt:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-11455
2026-10-03 Alias added: GHSA-h4jg-8v58-57wj

References

Exploit 1

https://www.notion.so/asuka39/MetaGPT-Command-Injection-via-Mermaid-path-Configuration-35fe35b8556880b29113c8c1b414a8b2?source=copy_link

Other 2

TI-2024-15753 MetaGPT through 0.6.4 allows the QaEngineer role to execute arbitrary code because… CVSS 3.1HIGH 8.8
TI-2026-05354 FoundationAgents MetaGPT Tree-of-Thought Solver tot.py generate_thoughts code injection CVSS 4.0MEDIUM 6.9
TI-2026-05237 FoundationAgents MetaGPT terminal.py Bash.run os command injection CVSS 4.0MEDIUM 6.9
TI-2026-05236 FoundationAgents MetaGPT common.py get_mime_type os command injection CVSS 4.0MEDIUM 6.9
TI-2026-05235 FoundationAgents MetaGPT terminal.py Terminal.run_command os command injection CVSS 4.0MEDIUM 6.9
TI-2026-05234 FoundationAgents MetaGPT XML action_node.py ActionNode.xml_fill eval injection CVSS 4.0MEDIUM 6.9

See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences