Improper Authorization Affecting 9router package, versions <0.4.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published5 Jul 2026
- disclosed1 Jun 2026
- creditUnknown
Introduced: 1 Jun 2026
CVE-2026-10269 (opens in a new tab)How to fix?
Upgrade 9router to version 0.4.1 or higher.
Overview
9router is a 9Router CLI - Start and manage 9Router server
Affected versions of this package are vulnerable to Improper Authorization in the isAuthenticated function of the HTTP Header Handler when processing the Host argument. An attacker can gain unauthorized access or perform actions with insufficient authorization by manipulating the Host header remotely.