A path traversal vulnerability exists in the EmailSheet extract_parts functionality of VisiData (version(s): dev (commit 38b21f78)). (CVE-2026-42532)
Description
A path traversal vulnerability in the EmailSheet extract_parts functionality of VisiData (commit 38b21f78) allows an attacker to write arbitrary files by providing a specially crafted .eml file. This vulnerability affects specific versions of VisiData and requires user interaction to trigger. The vulnerability has a medium severity rating with a CVSS score of 5.5.
CVSS v3.1
Score 5.5medium
Affected software
pkg:deb/ubuntu/visidata?arch=source&distro=bionicpkg:deb/ubuntu/visidata?arch=source&distro=focalpkg:deb/ubuntu/visidata?arch=source&distro=jammypkg:deb/ubuntu/visidata?arch=source&distro=noblepkg:deb/ubuntu/visidata?arch=source&distro=stonkingpkg:deb/ubuntu/visidata?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-42532 describes a path traversal vulnerability in the EmailSheet extract_parts functionality of VisiData at commit 38b21f78. An attacker can supply a malicious .eml file that exploits this flaw to perform arbitrary file writes on the system. The vulnerability requires local access (AV:L), low attack complexity (AC:L), no privileges (PR:N), but user interaction (UI:R). It impacts the integrity of the system without affecting confidentiality or availability.
Potential Impact
Successful exploitation allows an attacker to write arbitrary files on the affected system, potentially leading to code injection or modification of critical files. There is no direct impact on confidentiality or availability according to the CVSS vector. The attack requires user interaction and local access to the vulnerable software.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid opening untrusted .eml files with the vulnerable EmailSheet extract_parts functionality in VisiData.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-42532
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.10","Ubuntu:26.04:LTS"]
- Cvss Version
- 3.1
Threat ID: 6ad3f6842cdf04f6566671f6
Added to database: 10/17/2026, 22:28:20 UTC
Last enriched: 10/18/2026, 01:41:14 UTC
Last updated: 10/18/2026, 01:41:14 UTC
Views: 9
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