CVE-2026-115752

MEDIUM 4.2

Signal K Server 2.28.0-beta.2 before 2.34.0 SSRF via App Store appIcon

CVSS Score

4.2

EPSS Score

0.0%

EPSS Percentile

0th

Signal K Server from 2.28.0-beta.2 before 2.34.0 contains a server-side request forgery vulnerability in the App Store icon fetcher that trusts absolute signalk.appIcon URLs. Attackers publishing npm packages with Signal K keywords can make servers request loopback, vessel network, or cloud metadata endpoints, storing image-typed responses served back via the admin UI.

CWE	CWE-918
Vendor	signalk
Product	signalk-server
Published	Oct 23, 2026

Stay Ahead of the Next One

Get instant alerts for signalk signalk-server

Be the first to know when new medium vulnerabilities affecting signalk signalk-server are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

SignalK / signalk-server

2.28.0-beta.2 < 2.34.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/SignalK/signalk-server/security/advisories/GHSA-7wpf-ch8f-5f4x github.com: https://github.com/SignalK/signalk-server/commit/535104f655304c697d535252da397948e5101dc6 github.com: https://github.com/SignalK/signalk-server/releases/tag/v2.34.0 vulncheck.com: https://www.vulncheck.com/advisories/signal-k-server-2.28.0-beta.2-before-2.34.0-ssrf-via-app-store-appicon

Credits

Zachariah Mithani (AploSec)