Published:2026/02/27  Last Updated:2026/02/27

JVN#41357120
Improper file access permission settings in the installers for multiple Soliton Systems products

Overview

The installers for multiple products provided by Soliton Systems K.K. are configured with improper file access permission settings.

Products Affected

  • Soliton SecureBrowser for OneGate V1.0.0
  • Soliton SecureBrowser II V2.0.0 to V2.0.14
  • Soliton SecureWorkspace (formerly WrappingBox) V1.0.0 to V1.4.7

Description

The installers for multiple products provided by Soliton Systems K.K. contain the following vulnerability.

  • Incorrect default permissions (CWE-276)
    • CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Base Score 5.4
    • CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H Base Score 6.7
    • CVE-2026-27653

Impact

Arbitrary code may be executed with SYSTEM privileges.

Solution

Update the Software
Update the software to the latest version according to the information provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
Soliton Systems K.K. Vulnerable 2026/02/27 Soliton Systems K.K. website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Credit

Kazuma Matsumoto of GMO Cybersecurity by IERAE, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2026-27653
JVN iPedia JVNDB-2026-000031