Is this vulnerability remotely exploitable?

Yes. The issue resides in a network-accessible Administrative API endpoint, so an attacker can exploit it remotely if they can reach the `/api` interface.

What level of access does an attacker need to exploit this?

The attacker generally only needs network-level reachability to the API. Because it is an authorization bypass, valid administrative credentials are not required if the vulnerable code path is accessible.

What is the safest general fix pattern for this type of issue?

The most robust fix is to centralize and enforce strict authorization checks on all administrative endpoints. Each admin operation should require authenticated sessions and explicit permission validation, mediated through a shared access control layer.

Severity:

HIGH RISK

(7.3)

Authorization Bypass (CWE-285) in decolua 9router Administrative API Endpoint

CVE-2026-5842

Published:

Apr 8, 2026

Status:

Deferred

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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Vulnerability Type

Category:

Authorization Bypass

CWE:

CWE-285;CWE-639

Impact:

Privilege Escalation / Unauthorized Administrative Access

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

Vulnerability Type

Category:

Authorization Bypass

CWE:

CWE-285;CWE-639

Impact:

Privilege Escalation / Unauthorized Administrative Access

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

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Authorization Bypass (CWE-285) in decolua 9router Administrative API Endpoint

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.8)

PHP Code Injection via File Upload (CWE-94) in Aero CMS Admin Post Creation

HIGH RISK

HIGH

(8.8)

Code Injection (CWE-94) via Module Parameters in Evolution CMS

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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