Medium 6.9Published Jan 8, 2026

CVE-2025-66002Local users can perform arbitrary unmounts via smb4k mount helper due to lack of input validation

Updated under an hour ago (Oct 26, 2026, 6:20 PM ET)

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It affects https://github.com/KDE/ smb4k. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

An Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability allows local users ton perform arbitrary unmounts via smb4k mount helper

CVSS: 6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-88
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: suse
NVD analysis: Deferred
Record last updated: Jan 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

https://github.com/KDE/ smb4k https_github.com_kde:smb4k (from the name)	from ? before 4.0.5	CNA record

References

References

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-66002
https://security.opensuse.org/2025/12/10/smb4k-major-issues-in-kauth-helper.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.