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Vulnerabilities CVE-2026-64955

CVE-2026-64955

Medium
Open
TLP:CLEAR

Velociraptor CSV Formula Injection in Export Pipeline

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Description

When Microsoft Excel imports a CSV file, it executes cells beginning with certain characters as formulas, giving such CSV files arbitrary execution.  Velociraptor fails to sanitize such cells when exporting to CSV from various places such as the GUI, offline collector or data exports. It is not clear if the vulnerability is actually in Microsoft Excel treating a CSV data file as executable content, or if Velociraptor should be sanitizing the data to prevent Excel from executing it. However, since this is such a common use case for Velociraptor we decided to highlight it in an advisory.

Details

CVSS Score
6.1
EPSS Score
0.22%

13.2th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
Confidence
90%
Published
Aug 12, 2026
Last Modified
Aug 12, 2026
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