Is CVE-2026-9550 in the CISA KEV catalog?

No. CVE-2026-9550 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-9550?

CVE-2026-9550 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2026-9550?

CVE-2026-9550 has an EPSS score of 0.52% (40th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-9550

HIGH

7.3

CVSS v3

NVD

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.

CWE-22Path Traversal

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.52%probability of exploitation in 30 days

40thpercentile

Low risk: more likely to be exploited than 40% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-26.