How widely exploitable is this vulnerability?

The vulnerability is remotely exploitable wherever the upload functionality is exposed over the network. The practical impact depends on whether attackers can reach the upload endpoint and whether uploaded files can be accessed or executed, but public exploit availability significantly lowers the barrier to abuse.

What level of access does an attacker need?

At minimum, an attacker needs the ability to interact with the vulnerable upload interface. In some deployments this may be accessible to unauthenticated users; in others it may require low-privileged application accounts. Stronger access control can reduce but not fully eliminate risk if file validation remains weak.

What is the safest general fix pattern?

The most robust pattern is to enforce strict authorization and allow-list based file validation, store uploads only in non-executable locations, and ensure the web server never interprets uploaded content as executable code. Refactoring upload logic to use centralized, hardened storage services or middleware can also reduce the chance of misconfiguration.

Severity:

HIGH RISK

(7.3)

Unrestricted File Upload (CWE-434) in Acrel Environmental Monitoring Cloud Platform 1.1.0

CVE-2026-4536

Published:

Mar 21, 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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May 6, 2026

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HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Privilege Escalation via Bypassed Access Control

May 6, 2026

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-284;CWE-434

Impact:

Remote Code Execution and Server Compromise (via arbitrary file upload)

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-284;CWE-434

Impact:

Remote Code Execution and Server Compromise (via arbitrary file upload)

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

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Unrestricted File Upload (CWE-434) in Acrel Environmental Monitoring Cloud Platform 1.1.0

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

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

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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