Path Traversal Vulnerability in florensiawidjaja BioinfoMCP Upload Endpoint
CVE-2026-7398

6.9MEDIUM

Key Information:

Vendor

Florensiawidjaja

Status
Bioinfomcp
Vendor
CVE Published:
29 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7398?

A path traversal vulnerability has been discovered in the Upload Endpoint of florensiawidjaja's BioinfoMCP, affecting versions up to commit 7ada7918b9e515604d3c0ae264d3a9af10bf6e54. This weakness arises from improper validation of the 'Name' argument in the upload function located in bioinfo_mcp_platform/app.py. Attackers can exploit this weakness remotely to manipulate file paths, potentially allowing unauthorized access to sensitive files within the system. Although continuous delivery is employed, making specific version details elusive, the issue remains unaddressed by the project maintainers despite earlier notifications. Precautionary access control measures are strongly recommended to mitigate risks associated with this vulnerability.

Affected Version(s)

BioinfoMCP 7ada7918b9e515604d3c0ae264d3a9af10bf6e54

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-2026-7398 - Proof of Concept

References

https://vuldb.com/vuln/360122
vdb-entrytechnical-description
https://vuldb.com/vuln/360122/cti
signaturepermissions-required
https://vuldb.com/submit/803488
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

LittleW (VulDB User)
VulDB CNA Team
.