7.5
HIGH CVSS 2.0
CVE-2026-9550
Acrel Electrical EEMS Enterprise Power Operation and Maintenance Cloud Platform upfile path traversal
Description

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.

INFO

Published Date :

May 26, 2026, 3:16 p.m.

Last Modified :

May 26, 2026, 3:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-9550 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
The described path traversal vulnerability requires vendor intervention.
  • Contact vendor for a patch or update.
  • Implement input validation to prevent path traversal.
  • Restrict file access to necessary directories.
  • Monitor file system for suspicious activity.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-9550.

URL Resource
https://ucn9h68n9289.feishu.cn/wiki/FC6swHuyqiLVyfkwKcNc8sCjnfb
https://vuldb.com/submit/815455
https://vuldb.com/vuln/365609
https://vuldb.com/vuln/365609/cti
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-9550 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-9550 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-9550 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    May. 26, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CWE CWE-22
    Added Reference https://ucn9h68n9289.feishu.cn/wiki/FC6swHuyqiLVyfkwKcNc8sCjnfb
    Added Reference https://vuldb.com/submit/815455
    Added Reference https://vuldb.com/vuln/365609
    Added Reference https://vuldb.com/vuln/365609/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.