CVE-2026-79408Public exploitNetwork attack vector

Arbitrary command execution via unquoted repository path

Published Aug 31, 2026 · Updated Sep 1, 2026

OS command injection in MetaGPT 0.8.1 allows attackers to execute arbitrary commands through a crafted repository or workspace path. RepoParser.rebuild_class_views() inserts the path into an unquoted pyreverse command and passes the resulting string to subprocess.run() with shell=True. Attackers must cause MetaGPT to process a directory they influence; injected commands run with the privileges of the MetaGPT process.

CVSS severity8.8
High
EPSS probability1.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in MetaGPT 0.8.1 allows attackers to execute arbitrary commands through a crafted repository or workspace path. RepoParser.rebuild_class_views() inserts the path into an unquoted pyreverse command and passes the resulting string to subprocess.run() with shell=True. Attackers must cause MetaGPT to process a directory they influence; injected commands run with the privileges of the MetaGPT process.

The record

CVE
CVE-2026-79408
Published
Aug 31, 2026
Updated
Sep 1, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-78, T1059.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 31, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 1, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.8REYu6 technical reportCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059.004Unix Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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