decolua 9Router up to 0.4.41 Management API /app/api/providers missing authentication

Summaryinfo

A vulnerability marked as very critical has been reported in decolua 9Router up to 0.4.41. This affects an unknown part of the file /app/api/providers of the component Management API. This manipulation causes missing authentication. This vulnerability appears as CVE-2026-59801. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in decolua 9Router up to 0.4.41 and classified as very critical. Affected by this vulnerability is an unknown code of the file /app/api/providers of the component Management API. 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 summary by CVE is:

9Router through version 0.4.41 contains an unauthenticated access vulnerability that allows remote attackers to interact with provider management API endpoints by sending requests without any credentials due to missing authentication middleware in the Next.js API routes under src/app/api/providers/*. Attackers can enumerate, create, modify, or delete provider connections to expose partial credentials, OAuth tokens, and API keys, redirect AI traffic to attacker-controlled servers, or cause complete denial of service by deleting all provider connections.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-59801 since 07/07/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/14/2026).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• decolua

Name

• 9Router

Version

• 0.4.0
• 0.4.1
• 0.4.2
• 0.4.3
• 0.4.4
• 0.4.5
• 0.4.6
• 0.4.7
• 0.4.8
• 0.4.9
• 0.4.10
• 0.4.11
• 0.4.12
• 0.4.13
• 0.4.14
• 0.4.15
• 0.4.16
• 0.4.17
• 0.4.18
• 0.4.19
• 0.4.20
• 0.4.21
• 0.4.22
• 0.4.23
• 0.4.24
• 0.4.25
• 0.4.26
• 0.4.27
• 0.4.28
• 0.4.29
• 0.4.30
• 0.4.31
• 0.4.32
• 0.4.33
• 0.4.34
• 0.4.35
• 0.4.36
• 0.4.37
• 0.4.38
• 0.4.39
• 0.4.40
• 0.4.41

Website

• Product: https://github.com/decolua/9router/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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