How severe is CVE-2026-39454?

CVE-2026-39454 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-39454 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-39454?

CVE-2026-39454 primarily affects Skygroup Skymec It Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-39454?

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-2026-39454 have an EU (EUVD) identifier?

Yes. CVE-2026-39454 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23793.

When was CVE-2026-39454 published?

CVE-2026-39454 was published on 2026-04-20 and last updated on 2026-06-17.

CVE-2026-39454

CVE-2026-39454 is a high-severity vulnerability in Skygroup Skymec It Manager with a CVSS 3.x base score of 7.8. 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-863.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-23793
Weakness: CWE-863
Affected product: Skygroup Skymec It Manager
Published: 2026-04-20
Last modified: 2026-06-17

Description

SKYSEA Client View and SKYMEC IT Manager provided by Sky Co.,LTD. configure the installation folder with improper file access permission settings. A non-administrative user may manipulate and/or place arbitrary files within the installation folder of the product. As a result, arbitrary code may be executed with the administrative privilege.

Frequently asked questions

What is CVE-2026-39454?: SKYSEA Client View and SKYMEC IT Manager provided by Sky Co.,LTD. configure the installation folder with improper file access permission settings. A non-administrative user may manipulate and/or place arbitrary files within the installation folder of the product. As a result, arbitrary code may be executed with the administrative privilege.
How severe is CVE-2026-39454?: CVE-2026-39454 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-39454 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-39454?: CVE-2026-39454 primarily affects Skygroup Skymec It Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-39454?: 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-2026-39454 have an EU (EUVD) identifier?: Yes. CVE-2026-39454 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23793.
When was CVE-2026-39454 published?: CVE-2026-39454 was published on 2026-04-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:skygroup:skymec_it_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:skygroup:skysea_client_view:*:*:*:*:*:*:*:*

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