CVE-2026-11455
LowPublic exploitA vulnerability was determined in FoundationAgents MetaGPT up to 0.8.2.
Published Jun 7, 2026 · Updated Aug 12, 2026 · Also known as EUVD-2026-34985, GHSA-h4jg-8v58-57wj
Key Facts
Routine patching- CVE-2026-11455 is a low-severity vulnerability (CVSS 2.3 v4) affecting MetaGPT (Foundationagents).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 0.9% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
CVSS v4
2.3
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS (30-day exploit likelihood)
0.9%
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2026-11455 brief as a PDF
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Description
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.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| MetaGPTFoundationagents | See advisory | n/a |
Timeline
Publicly disclosed
Jun 7, 2026
Last updated
Aug 12, 2026
Weakness Type
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
- CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
References
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2026/11xxx/CVE-2026-11455.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2026-11455
- otherhttps://github.com/FoundationAgents/MetaGPT/
- otherhttps://github.com/FoundationAgents/MetaGPT/issues/2037
- otherCVE-2026-11455 | CVE Analysis and Report
FAQ
Common Questions.
A vulnerability was determined in FoundationAgents MetaGPT up to 0.8.2.
Affected: MetaGPT (Foundationagents). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
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