๐Ÿ” CVE Alert

CVE-2026-64955

MEDIUM 6.1

Velociraptor CSV Formula Injection in Export Pipeline

CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th

When Microsoft Excel imports a CSV file, it executes cells beginning with certain characters as formulas, giving such CSV files arbitrary execution.ย  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.

CWE CWE-1236
Vendor rapid7
Product velociraptor
Published Aug 12, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

Affected Versions

Rapid7 / Velociraptor
0 < 0.77.2

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
docs.velociraptor.app: http://docs.velociraptor.app/announcements/advisories/cve-2026-64955/

Credits

Tristan Madani (Talence Security)