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Vulnerability record · CVE-2018-18748 · published 29 October 2018

CVE-2018-18748: Sandboxie-plus sandboxie vulnerability

Sandboxie Plus · Sandboxie

Sandboxie 5.26 allows a Sandbox Escape via an "import os" statement, followed by os.system("cmd") or os.system("powershell"), within a .py file. NOTE: the vendor disputes this issue because the observed behavior is consistent with the product's intended functionality

10.0 CVSS 3.0 Critical EPSS 2.4% · top 16.4%
10.0CVSS 3.0 base score, v2 10.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

Sandboxie 5.26 allows a Sandbox Escape via an "import os" statement, followed by os.system("cmd") or os.system("powershell"), within a .py file. NOTE: the vendor disputes this issue because the observed behavior is consistent with the product's intended functionality

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/sandboxescape/Sandboxie-5.26-Sandbox-Escape-Exploit/blob/2632a5f7409e52b2e020f5d4467fa019f9095e73/REA Broken LinkThird Party Advisory
https://github.com/sandboxescape/Sandboxie-5.26-Sandbox-Escape-Exploit/ ExploitThird Party Advisory
https://github.com/sandboxescape/Sandboxie-5.26-Sandbox-Escape-Exploit/blob/2632a5f7409e52b2e020f5d4467fa019f9095e73/REA Broken LinkThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-18748), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.