Path Traversal Vulnerability in Qihui jtbc5 CMS by Shanghai Qihui Network Technology Co., Ltd.
CVE-2026-6487

5.3MEDIUM

Key Information:

Vendor

Qihui

Status
Jtbc5 Cms
Vendor
CVE Published:
17 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6487?

A vulnerability exists in the Qihui jtbc5 CMS, specifically in the Code Endpoint component located in manage.php. This flaw allows attackers to manipulate input parameters related to file paths, leading to unauthorized access to files outside of the intended directory. The exploit can be executed remotely, posing significant security risks for users of affected versions of the CMS. Despite early notifications to the vendor, there has been no response regarding necessary mitigations or fixes.

Affected Version(s)

jtbc5 CMS 5.0.3.6

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-2026-6487 - Proof of Concept

References

https://vuldb.com/vuln/358028
vdb-entrytechnical-description
https://vuldb.com/vuln/358028/cti
signaturepermissions-required
https://vuldb.com/submit/786183
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
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

EthX0_ (VulDB User)
VulDB CNA Team
.