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CVE-2023-46116 Details

Description

Tutanota (Tuta Mail) is an encrypted email provider. Tutanota allows users to open links in emails in external applications. Prior to version 3.118.12, it correctly blocks the `file:` URL scheme, which can be used by malicious actors to gain code execution on a victims computer, however fails to check other harmful schemes such as `ftp:`, `smb:`, etc. which can also be used. Successful exploitation of this vulnerability will enable an attacker to gain code execution on a victim's computer. Version 3.118.2 contains a patch for this issue.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:9.3 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/tutao/tutanota/blob/master/src/desktop/ApplicationWindow.ts#L417	CVE	Product
https://github.com/tutao/tutanota/blob/master/src/desktop/ApplicationWindow.ts#L423	CVE	Product
https://github.com/tutao/tutanota/commit/88ecad17d00d05a722399aed35f0d280899d55a2	CVE	Patch
https://github.com/tutao/tutanota/security/advisories/GHSA-mxgj-pq62-f644	CVE	ExploitVendor Advisory
https://user-images.githubusercontent.com/46137338/270564886-7a0389d3-f9ef-44e1-9f5e-57ccc72dcaa8.mp4	CVE	Exploit
https://github.com/tutao/tutanota/blob/master/src/desktop/ApplicationWindow.ts#L417	[email protected]	Product
https://github.com/tutao/tutanota/blob/master/src/desktop/ApplicationWindow.ts#L423	[email protected]	Product
https://github.com/tutao/tutanota/commit/88ecad17d00d05a722399aed35f0d280899d55a2	[email protected]	Patch
https://github.com/tutao/tutanota/security/advisories/GHSA-mxgj-pq62-f644	[email protected]	ExploitVendor Advisory
https://user-images.githubusercontent.com/46137338/270564886-7a0389d3-f9ef-44e1-9f5e-57ccc72dcaa8.mp4	[email protected]	Exploit

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
tuta tutanota	< 3.118.12
CPE cpe:2.3:a:tuta:tutanota::::::node.js::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Dec 28, 2023	Initial Analysis	[email protected]
Dec 15, 2023	New CVE Received	[email protected]