How severe is CVE-2026-27653?

CVE-2026-27653 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-27653 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27653?

CVE-2026-27653 primarily affects Soliton Securebrowser For Onegate. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-27653?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-27653 have an EU (EUVD) identifier?

Yes. CVE-2026-27653 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8998.

When was CVE-2026-27653 published?

CVE-2026-27653 was published on 2026-02-27 and last updated on 2026-06-17.

CVE-2026-27653

CVE-2026-27653 is a medium-severity vulnerability in Soliton Securebrowser For Onegate with a CVSS 3.x base score of 6.7. 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: Medium (CVSS 3.x base score 6.7)
CVSS v4: 5.4
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8998
Weakness: CWE-863
Affected product: Soliton Securebrowser For Onegate
Published: 2026-02-27
Last modified: 2026-06-17

Description

The installers for multiple products provided by Soliton Systems K.K. contain an issue with incorrect default permissions, which may allow arbitrary code to be executed with SYSTEM privileges.

Frequently asked questions

What is CVE-2026-27653?: The installers for multiple products provided by Soliton Systems K.K. contain an issue with incorrect default permissions, which may allow arbitrary code to be executed with SYSTEM privileges.
How severe is CVE-2026-27653?: CVE-2026-27653 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-27653 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27653?: CVE-2026-27653 primarily affects Soliton Securebrowser For Onegate. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-27653?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27653 have an EU (EUVD) identifier?: Yes. CVE-2026-27653 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8998.
When was CVE-2026-27653 published?: CVE-2026-27653 was published on 2026-02-27 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:soliton:securebrowser_for_onegate:1.0.0:*:*:*:*:windows:*:*
cpe:2.3:a:soliton:securebrowser_ii:*:*:*:*:*:windows:*:*
cpe:2.3:a:soliton:secureworkspace:*:*:*:*:*:*:*:*

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