CVE-2026-115752

Medium

Description

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.

SeverityMedium

CVSS4.2

Exploit probability7. percentile0.2%

ProductSignalk-server

PublishedOct 23, 2026

First seenOct 23, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update

SignalK signalk-server2.34.0 or later

Patches

github.com/SignalK/signalk-server/commit/535104f655304c697d535252da397948e5101dc6

Vendor advisories

Affected products

Product	Affected versions	Fixed in
SignalK signalk-server	2.28.0-beta.2 ≤ v < 2.34.0	2.34.0

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