Authentication Vulnerability in Feehi CMS REST API Endpoint
CVE-2026-13546

6.9MEDIUM

Key Information:

Vendor

Feehi

Status
Cms
Vendor
CVE Published:
29 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-13546?

A vulnerability exists in Feehi CMS versions up to 2.1.1 affecting the REST API Endpoint used for handling articles. This issue results from missing authentication mechanisms in the /api/articles file, allowing unauthorized remote access. Attackers can exploit this vulnerability to manipulate requests without proper validation, leading to potential data breaches and unauthorized operations. The problem has been reported to the maintainers, yet no response has been observed, heightening the urgency for users to address this security risk promptly.

Affected Version(s)

CMS 2.1.0

CMS 2.1.1

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-2026-13546 - Proof of Concept

References

https://vuldb.com/vuln/374554
vdb-entry
https://vuldb.com/vuln/374554/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13546
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

byname (VulDB User)
VulDB CNA Team
.