Feehi CMS up to 2.1.1 REST API Endpoint /api/articles missing authentication

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$0-$5k1.48

Summaryinfo

A vulnerability described as critical has been identified in Feehi CMS up to 2.1.1. This issue affects some unknown processing of the file /api/articles of the component REST API Endpoint. Executing a manipulation can lead to missing authentication. The identification of this vulnerability is CVE-2026-13546. The attack may be launched remotely. Furthermore, there is an exploit available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability classified as critical was found in Feehi CMS up to 2.1.1. This vulnerability affects an unknown code block of the file /api/articles of the component REST API Endpoint. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-13546. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/28/2026 Advisory disclosed
06/28/2026 +0 days VulDB entry created
06/28/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 87
Status: Not defined

CVE: CVE-2026-13546 (🔒)
GCVE (CVE): GCVE-0-2026-13546
GCVE (VulDB): GCVE-100-374554
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/28/2026 13:03
Changes: 06/28/2026 13:03 (58)
Complete: 🔍
Submitter: byname
Cache ID: 216::103

Submitinfo

Accepted

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