How severe is CVE-2026-9523?

CVE-2026-9523 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-9523 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-9523?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-9523 have an EU (EUVD) identifier?

Yes. CVE-2026-9523 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31782.

When was CVE-2026-9523 published?

CVE-2026-9523 was published on 2026-05-26 and last updated on 2026-06-17.

CVE-2026-9523

CVE-2026-9523 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31782
Weakness: CWE-74
Published: 2026-05-26
Last modified: 2026-06-17

Description

A vulnerability was detected in Acrel Electrical EEMS Enterprise Power Operation and Maintenance Cloud Platform 3000WEBV2. Affected by this vulnerability is an unknown functionality of the file /SubstationWEBV2/app/..;/calc/getCalcmeterDetailDayListTree. Performing a manipulation of the argument sort results in sql injection. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-9523?: A vulnerability was detected in Acrel Electrical EEMS Enterprise Power Operation and Maintenance Cloud Platform 3000WEBV2. Affected by this vulnerability is an unknown functionality of the file /SubstationWEBV2/app/..;/calc/getCalcmeterDetailDayListTree. Performing a manipulation of the argument sort results in sql injection. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-9523?: CVE-2026-9523 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-9523 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9523?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-9523 have an EU (EUVD) identifier?: Yes. CVE-2026-9523 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31782.
When was CVE-2026-9523 published?: CVE-2026-9523 was published on 2026-05-26 and last updated on 2026-06-17.

References

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