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CVE-2026-9550

MEDIUMCVSS 5.5/10EPSS 0.52%

Last modified

CVE-2026-9550 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS 4.0
5.5/10

CVSS:4.0/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

EPSS Probability
0.52%

40.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is 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.
How severe is CVE-2026-9550?
CVE-2026-9550 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.
How do I fix CVE-2026-9550?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-9550?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST