uTox through 0.18.1 contains a path traversal vulnerability that allows Tox friends to write arbitrary files by sending absolute or ../ file names to victims with auto-accept enabled. Attackers can overwrite shell startup files or plant crafted .ftinfo resume records that ft_find_resumeable() loads, abusing FILE pointers to write /proc/self/mem and execute code.
History

Tue, 20 Oct 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Utox
Utox utox
Vendors & Products Utox
Utox utox

Tue, 20 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Description uTox through 0.18.1 contains a path traversal vulnerability that allows Tox friends to write arbitrary files by sending absolute or ../ file names to victims with auto-accept enabled. Attackers can overwrite shell startup files or plant crafted .ftinfo resume records that ft_find_resumeable() loads, abusing FILE pointers to write /proc/self/mem and execute code.
Title uTox through 0.18.1 Path Traversal via Auto-Accepted File Transfers
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-20T10:41:38.136Z

Updated: 2026-10-20T13:43:42.347Z

Reserved: 2026-10-20T01:07:46.038Z

Link: CVE-2026-113352

cve-icon Vulnrichment

Updated: 2026-10-20T13:43:39.057Z

cve-icon NVD

Status : Deferred

Published: 2026-10-20T11:17:19.520

Modified: 2026-10-20T20:11:29.833

Link: CVE-2026-113352

cve-icon Redhat

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