noname Electron desktop build v1.11.2 through v1.11.6.1 contains an unauthenticated local file server with wildcard CORS that allows malicious websites to read, overwrite, or delete installation files. Attackers can send cross-origin requests to /writeFile on localhost port 8089 to overwrite renderer scripts, executing JavaScript with Node.js access as the local user.

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History

Thu, 05 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
Description noname Electron desktop build v1.11.2 through v1.11.6.1 contains an unauthenticated local file server with wildcard CORS that allows malicious websites to read, overwrite, or delete installation files. Attackers can send cross-origin requests to /writeFile on localhost port 8089 to overwrite renderer scripts, executing JavaScript with Node.js access as the local user.
Title noname v1.11.2 through v1.11.6.1 Missing Authentication in Electron Local File Server
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

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


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-05T18:16:42.581Z

Reserved: 2026-11-05T17:58:52.574Z

Link: CVE-2026-123208

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-11-05T19:17:20.380

Modified: 2026-11-05T19:17:20.380

Link: CVE-2026-123208

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses