Path Traversal in Acrel Electrical Eems Enterprise Power Operation And Maintenance Cloud Platform
CVE-2026-9550
A vulnerability was determined in Acrel Electrical EEMS Enterprise Power Operation and Maintenance Cloud Platform 1.3.0. Affected by this issue is some unknown functionality of the file /SubstationWEBV2/app/..;/main/upfile. Executing a manipulation of the argument path can lead to path traversal. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (52.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.007 · change: +0.002
Affected products
Weakness classification (CWE)
References
- vuldb.com/vuln/365609 (technical-description, vdb-entry)
- vuldb.com/vuln/365609/cti (signature, permissions-required)
- vuldb.com/submit/815455 (third-party-advisory)
- ucn9h68n9289.feishu.cn/wiki/FC6swHuyqiLVyfkwKcNc8sCjnfb (exploit)
Frequently asked questions
- What is CVE-2026-9550?
- CVE-2026-9550 is a high-severity vulnerability in Acrel Electrical Eems Enterprise Power Operation And Maintenance Cloud Platform, classified under Path Traversal. CVSS score: 7.3/10. Published 2026-05-26.
- How severe is CVE-2026-9550?
- High severity. CVSS v3 base score is 7.3 out of 10.