What is CVE-2026-4536?

CVE-2026-4536 is a high-severity vulnerability in Acrel Environmental Monitoring Cloud Platform, classified under Improper Access Control. CVSS score: 7.3/10. Published 2026-03-22.

How severe is CVE-2026-4536?

High severity. CVSS v3 base score is 7.3 out of 10.

Arbitrary file upload in Acrel Environmental Monitoring Cloud Platform

CVE-2026-4536

A vulnerability was found in Acrel Environmental Monitoring Cloud Platform 1.1.0. This issue affects some unknown processing. Performing a manipulation results in unrestricted upload. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS: 0.003 (20.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Acrel Environmental Monitoring Cloud Platform — versions 1.1.0

Weakness classification (CWE)

References

cna@vuldb.com (vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit, broken-link)

Frequently asked questions

What is CVE-2026-4536?: CVE-2026-4536 is a high-severity vulnerability in Acrel Environmental Monitoring Cloud Platform, classified under Improper Access Control. CVSS score: 7.3/10. Published 2026-03-22.
How severe is CVE-2026-4536?: High severity. CVSS v3 base score is 7.3 out of 10.