Path Traversal Vulnerability in Mereithhh VanBlog Affecting Remote Access
CVE-2026-129260

5.1MEDIUM

Key Information:

Vendor

Mereithhh

Status
Vanblog
Vendor
CVE Published:
14 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-129260?

A security vulnerability has been identified in the Mereithhh VanBlog component, specifically affecting versions up to 0.54.0. The issue resides within the fs.readFileSync function of local.provider.ts, allowing remote attackers to exploit the argument manipulation of the path leading to a potential path traversal. Public disclosure of this exploit raises concerns for users, making it imperative to upgrade to version test-20261013 where the issue is addressed. Experts recommend immediate updates and security audits to safeguard against possible unauthorized access.

Affected Version(s)

VanBlog 0.1

VanBlog 0.2

VanBlog 0.3

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-2026-129260 - Proof of Concept

References

https://vuldb.com/vuln/437298
vdb-entrytechnical-description
https://vuldb.com/vuln/437298/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-129260
third-party-advisory

CVSS V4

Score:
5.1
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

Geronimo (VulDB User)
.