Path Traversal Vulnerability in RAGapp Knowledge File Handler
CVE-2026-13509

5.3MEDIUM

Key Information:

Vendor

RAGapp

Status
Ragapp
Vendor
CVE Published:
28 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-13509?

A path traversal vulnerability exists in the RAGapp Knowledge File Handler, affecting versions up to 0.1.5. The flaw resides in the 'FileHandler.upload_file' and 'FileHandler.remove_file' functions within the 'src/ragapp/backend/controllers/files.py' file. This vulnerability allows attackers to manipulate file paths, potentially gaining unauthorized access to sensitive information. As the exploit is publicly known, it poses a risk of remote execution, making prompt remediation crucial. A fix is currently pending review.

Affected Version(s)

RAGapp 0.1.0

RAGapp 0.1.1

RAGapp 0.1.2

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-2026-13509 - Proof of Concept

References

https://vuldb.com/vuln/374517
vdb-entrytechnical-description
https://vuldb.com/vuln/374517/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13509
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

Dem000000 (VulDB User)
VulDB CNA Team
.