---
id: CVE-2026-115752
title: Signal K Server 2.28.0-beta.2 before 2.34.0 SSRF via App Store appIcon
summary: >-
  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 m…
severity: medium
cvss: 4.2
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-918
vendor: SignalK
product: signalk-server
affected:
  - signalk-server >= 2.28.0-beta.2 < 2.34.0
published: '2026-10-23'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T13:03:34.217Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115752'
references:
  - url: >-
      https://github.com/SignalK/signalk-server/security/advisories/GHSA-7wpf-ch8f-5f4x
    label: GitHub Security Advisory (GHSA-7wpf-ch8f-5f4x)
  - url: >-
      https://github.com/SignalK/signalk-server/commit/535104f655304c697d535252da397948e5101dc6
  - url: 'https://github.com/SignalK/signalk-server/releases/tag/v2.34.0'
    label: signalk-server v2.34.0 Release Notes
  - url: >-
      https://www.vulncheck.com/advisories/signal-k-server-2.28.0-beta.2-before-2.34.0-ssrf-via-app-store-appicon
    label: >-
      VulnCheck Advisory: Signal K Server 2.28.0-beta.2 before 2.34.0 SSRF via
      App Store appIcon
tags:
  - cve.org
ingestedAt: '2026-10-23T13:24:55.498Z'
---

## Overview

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.

## Affected

- `signalk-server >= 2.28.0-beta.2 < 2.34.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.