Is this vulnerability remotely exploitable?

Yes. If the phpVMS instance is network-accessible, an attacker can reach the legacy import endpoint over HTTP without needing an account.

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

No authenticated access is required. The flaw lies in a feature that fails to enforce login or authorization checks, so any user with network connectivity to the application can attempt exploitation.

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

The safest pattern is to enforce strict authentication and fine-grained authorization on all critical operations, especially administrative and import features. Centralizing auth logic in middleware/filters and ensuring no exceptions for legacy routes helps avoid gaps.

Severity:

CRITICAL RISK

(9.4)

Missing Authentication for Legacy Import Feature (CWE-306) in phpVMS

CVE-2026-42569

Published:

May 9, 2026

Status:

Received

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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Remote Code Execution by authenticated users via malicious file upload

May 10, 2026

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HIGH RISK

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Remote Code Execution by Authenticated Users

May 10, 2026

Vulnerability Type

Category:

Missing Authentication / Authorization Controls

CWE:

CWE-284;CWE-306;CWE-862

Impact:

Privilege Escalation and Unauthorized Data Manipulation

Severity:

CRITICAL RISK

(9.4)

CVSS Version:

3.1

Vulnerability Type

Category:

Missing Authentication / Authorization Controls

CWE:

CWE-284;CWE-306;CWE-862

Impact:

Privilege Escalation and Unauthorized Data Manipulation

Severity:

CRITICAL RISK

(9.4)

CVSS Version:

3.1

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Missing Authentication for Legacy Import Feature (CWE-306) in phpVMS

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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