Server-Side Request Forgery Vulnerability in FoundationAgents MetaGPT
CVE-2026-6111

5.3MEDIUM

Key Information:

Vendor

Foundationagents

Status
Metagpt
Vendor
CVE Published:
12 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6111?

A critical security flaw has been identified in FoundationAgents MetaGPT versions up to 0.8.1, affecting the decode_image function located in metagpt/utils/common.py. This vulnerability allows an attacker to manipulate the img_url_or_b64 argument, enabling a server-side request forgery (SSRF) attack. The potential for exploitation exists remotely, creating a serious risk for users of this software. As the project maintainers have not yet addressed this issue despite early notification, it is paramount for users to assess their exposure and take necessary precautions.

Affected Version(s)

MetaGPT 0.8.0

MetaGPT 0.8.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-6111 - Proof of Concept

References

https://vuldb.com/vuln/356971
vdb-entrytechnical-description
https://vuldb.com/vuln/356971/cti
signaturepermissions-required
https://vuldb.com/submit/791762
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-d (VulDB User)
VulDB CNA Team
.