Server-Side Request Forgery in atototo API Lab MCP Affects HTTP Interface
CVE-2026-5832

6.9MEDIUM

Key Information:

Vendor

Atototo

Status
Api-lab-mcp
Vendor
CVE Published:
9 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5832?

A vulnerability has been discovered in the atototo API Lab MCP up to version 0.2.1, specifically affecting the function analyze_api_spec/generate_test_scenarios/test_http_endpoint within the HTTP Interface component. This weakness allows for remote manipulation of input parameters, leading to server-side request forgery (SSRF). Attackers can exploit this flaw to make unauthorized requests from the server, potentially leading to unauthorized access or data leakage. Despite being reported, the issue has not yet received a response from the project maintainers, increasing the urgency for users to implement mitigating measures.

Affected Version(s)

api-lab-mcp 0.2.0

api-lab-mcp 0.2.1

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-2026-5832 - Proof of Concept

References

https://vuldb.com/vuln/356288
vdb-entrytechnical-description
https://vuldb.com/vuln/356288/cti
signaturepermissions-required
https://vuldb.com/submit/789765
third-party-advisory

CVSS V4

Score:
6.9
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

BruceJin (VulDB User)
VulDB CNA Team
.