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CVE-2025-68619

Signalk Signal K Server code injection

7.2 HIGHPublic exploitEPSS 0.71%
  1. Published1 Jan 2026

Description

Signal K Server is a server application that runs on a central hub in a boat. Versions prior to 2.19.0 of the appstore interface allow administrators to install npm packages through a REST API endpoint. While the endpoint validates that the package name exists in the npm registry as a known plugin or webapp, the version parameter accepts arbitrary npm version specifiers including URLs. npm supports installing packages from git repositories, GitHub shorthand syntax, and HTTP/HTTPS URLs pointing to tarballs. When npm installs a package, it can automatically execute any `postinstall` script defined in `package.json`, enabling arbitrary code execution. The vulnerability exists because npm's version specifier syntax is extremely flexible, and the SignalK code passes the version parameter directly to npm without sanitization. An attacker with admin access can install a package from an attacker-controlled source containing a malicious `postinstall` script. Version 2.19.0 contains a patch for the issue.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Signalk Signal K Server< 2.19.0 · 2.19.0

Remediation

Fixed in
Signalk Signal K Server≥ 2.19.0

References

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Frequently asked

Is CVE-2025-68619 being actively exploited?

CVE-2025-68619 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.71%.

How severe is CVE-2025-68619?

CVE-2025-68619 has a CVSS 3.1 base score of 7.2, rated high. EPSS estimates a 0.71% probability of exploitation.

Which products are affected by CVE-2025-68619?

Affected products include Signalk Signal K Server.

How do I fix CVE-2025-68619?

Upgrade affected software to a fixed version, for example Signalk Signal K Server 2.19.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-68619 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.