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NVD
NVD
•added 2026/08/11 4:17 p.m.•24 views

CVE-2026-18640

The NewNotebook API does not sufficiently sanitize its parameters allowing an authenticated user with NOTEBOOKEDIT permission to write the notebook record outside the org's data store directory. The file written must have an extension of ".json.db" but can otherwise overwrite other metadata files...

7.1CVSS0.00433EPSS
SaveExploits0References1
Vulnrichment
Vulnrichment
•added 2026/08/11 2:53 p.m.•14 views

CVE-2026-18640 Velociraptor directory traversal via the NewNotebook API

The NewNotebook API does not sufficiently sanitize its parameters allowing an authenticated user with NOTEBOOKEDIT permission to write the notebook record outside the org's data store directory. The file written must have an extension of ".json.db" but can otherwise overwrite other metadata files...

7.1CVSS5.9AI score0.00433EPSS
SaveExploits0References1
CVE
CVE
•added 2026/08/11 2:53 p.m.•95 views

CVE-2026-18640

The CVE-2026-18640 entry concerns Velociraptor's NewNotebook API. The parameter handling flaw allows an authenticated user with NOTEBOOK_EDIT permission to write a notebook record outside the org’s data store directory. The written file must bear the .json.db extension, but the vulnerability can ...

7.1CVSS5.9AI score0.00433EPSS
SaveExploits0References1
OSV
OSV
•added 2026/08/11 2:53 p.m.•19 views

CVE-2026-18640 Velociraptor directory traversal via the NewNotebook API

The NewNotebook API does not sufficiently sanitize its parameters allowing an authenticated user with NOTEBOOKEDIT permission to write the notebook record outside the org's data store directory. The file written must have an extension of ".json.db" but can otherwise overwrite other metadata files...

7.1CVSS5.5AI score
SaveExploits0References4
Cvelist
Cvelist
•added 2026/08/11 2:53 p.m.•45 views

CVE-2026-18640 Velociraptor directory traversal via the NewNotebook API

The NewNotebook API does not sufficiently sanitize its parameters allowing an authenticated user with NOTEBOOKEDIT permission to write the notebook record outside the org's data store directory. The file written must have an extension of ".json.db" but can otherwise overwrite other metadata files...

7.1CVSS0.00433EPSS
SaveExploits0References1
Positive Technologies
Positive Technologies
•added 2026/08/11 12:00 a.m.•14 views

PT-2026-70236

The NewNotebook API does not sufficiently sanitize its parameters allowing an authenticated user with NOTEBOOK EDIT permission to write the notebook record outside the org's data store directory. The file written must have an extension of ".json.db" but can otherwise overwrite other metadata file...

7.1CVSS5.8AI score0.00433EPSS
SaveExploits0References2
Rapid7 Vulnerability Database (full)
Rapid7 Vulnerability Database (full)
•added 2026/08/11 12:00 a.m.•8 views

CVE-2026-18640: Improper Limitation of a Pathname to a Restricted Directory

The NewNotebook API does not sufficiently sanitize its parameters allowing an authenticated user with NOTEBOOKEDIT permission to write the notebook record outside the org's data store directory. The file written must have an extension of ".json.db" but can otherwise overwrite other metadata files...

7.1CVSS5.8AI score0.00433EPSS
SaveExploits0References2
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