External Control of File Name or Path Vulnerability in smb4k by SUSE
CVE-2025-66003

7.3HIGH

Key Information:

Vendor

Https://github.com/kde/

Status
Smb4k
Vendor
CVE Published:
8 January 2026

What is CVE-2025-66003?

An External Control of File Name or Path vulnerability in smb4k allows local users to perform a local root exploit. This occurs through the smb4k mounthelper when users gain access to and can manipulate the contents of a Samba share. It is essential for users of smb4k to ensure they are running versions newer than 4.0.5 to mitigate this vulnerability and safeguard their systems against potential exploits.

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Affected Version(s)

smb4k ? < 4.0.5

References

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-66003
https://security.opensuse.org/2025/12/10/smb4k-major-issu...

CVSS V4

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Matthias Gerstner of SUSE
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