CVE-2026-123208

noname v1.11.2 through v1.11.6.1 Missing Authentication in Electron Local File Server

Published Nov 5, 2026 CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Libnoname
Libnoname noname
Vendors & Products Libnoname
Libnoname noname
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 9, 2026, 5:52 PM
Reserved
Nov 5, 2026, 5:58 PM
Status
Deferred
Published
Nov 5, 2026, 7:17 PM
Modified
Nov 12, 2026, 9:36 PM
Severity
Important
Public date
Nov 5, 2026, 6:16 PM