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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
SignalK signalk-server unaffected
Version Status Constraints
2.28.0-beta.2 affected < 2.34.0

No data.

No data.

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Project Subscriptions

Vendors Products
Signalk Subscribe
Signal K Server Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Fri, 23 Oct 2026 13:15:00 +0000

Type Values Removed Values Added
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.
Title Signal K Server 2.28.0-beta.2 before 2.34.0 SSRF via App Store appIcon
First Time appeared Signalk
Signalk signal K Server
Weaknesses CWE-918
CPEs cpe:2.3:a:signalk:signal_k_server:*:*:*:*:*:*:*:*
Vendors & Products Signalk
Signalk signal K Server
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-23T13:03:34.217Z

Reserved: 2026-10-23T12:59:07.096Z

Link: CVE-2026-115752

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-23T13:17:09.477

Modified: 2026-10-23T19:57:42.660

Link: CVE-2026-115752

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-23T16:15:17Z

Weaknesses