User Impersonation Affecting signalk-server package, versions <2.19.0-beta.5
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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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Test your applications- Snyk IDSNYK-JS-SIGNALKSERVER-14858540
- published4 Jan 2026
- disclosed2 Jan 2026
- creditAnastasios Meletlidis
Introduced: 2 Jan 2026
CVE-2025-69203 (opens in a new tab)How to fix?
Upgrade signalk-server to version 2.19.0-beta.5 or higher.
Overview
signalk-server is an An implementation of a Signal K server for boats.
Affected versions of this package are vulnerable to User Impersonation via the access request system. An attacker can obtain elevated privileges and impersonate trusted devices by submitting misleading descriptions, spoofing internal IP addresses through the X-Forwarded-For header, and requesting higher permissions than indicated. This increases the likelihood of administrator approval through social engineering.