WinMagic
Security Advisory
CVE-2026-106073 — Permission Model Bypass via fs.realpathSync
Reference: KB-SEC-2026-1028-12 | Published: October 28, 2026 | Status: Not Affected
Applies to: SecureDoc Client, SES Console, SESWeb (all versions)
Third-party component affected: Node.js | Severity: Low
Executive summary
WinMagic is aware of CVE-2026-106073 (Permission Model Bypass via fs.realpathSync), a vulnerability affecting Node.js. WinMagic has reviewed this CVE against SecureDoc Client, the SES Console and SESWeb. None of these products is affected, for the reason given below. No remediation, patch, or configuration change is required in response to this CVE.
Vulnerability details
CVE ID | CVE-2026-106073 |
Title | Permission Model Bypass via fs.realpathSync |
Affected third-party component | Node.js |
Severity | Low |
CVSS | Not published by the Node.js project as a numeric score; the Node.js security release and downstream advisories rate it Low severity. |
Affected versions (upstream) | Node.js 26.x, 24.x, and 22.x lines prior to the October 2026 security release. |
What the vulnerability is
Node.js's fs.realpathSync function can resolve symbolic links that point outside the set of paths the Permission Model is configured to allow, letting code reach filesystem locations the Permission Model was meant to block.
Why you should pay attention
As with the related radix tree issue, this undermines the filesystem boundary the Permission Model is intended to enforce. Applications relying on the Permission Model to confine untrusted or third-party code to a specific directory tree should treat this as a potential escape route via symbolic links.
WinMagic product assessment
SecureDoc Client, SES Console, and SESWeb
SecureDoc does not include, install or depend on a Node.js runtime.
Conclusion: SecureDoc Client, the SES Console and SESWeb are not affected by CVE-2026-106073.
Remediation
No WinMagic product-specific remediation, software update, patch, or configuration change is required in response to CVE-2026-106073. Organizations that run Node.js elsewhere in their own environment, outside of WinMagic products, should apply that vendor's own patch according to their standard process.
Ongoing monitoring
WinMagic continues to monitor relevant security advisories and available information concerning CVE-2026-106073. Should new information materially change this assessment, WinMagic will review its potential impact on SecureDoc Client, the SES Console or SESWeb and update this article accordingly.
Questions about this advisory
Customers with questions about this assessment can contact WinMagic Support through the usual support channel referencing KB-SEC-2026-1028-12.
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