CVE-2025-68272
High · 7.5Signal K Server Vulnerable to Denial of Service via Unrestricted Access Request Flooding
CVSS
7.5
EPSS
0.6%
Published
Jan 2, 2026
CISA due date
—
The record
A Denial of Service (DoS) vulnerability allows an unauthenticated attacker to crash the SignalK Server by flooding the access request endpoint (`/signalk/v1/access/requests`). This causes a "JavaScript heap out of memory" error due to unbounded in-memory storage of request objects.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | signalk-server | 0 | 2.19.0 |
Related vulnerabilities
- GHSA-7rqc-ff8m-7j23 Signal K Server Vulnerable to Denial of Service via Unrestricted Access Request Flooding Same vulnerability
- GHSA-q59x-jc9f-gfqf Signal K Server: Server-Side Request Forgery via Remote Connection Endpoints Also affects signalk-server
- CVE-2026-41893 Signal K Server is a server application that runs on a central hub in a boat. Also affects signalk-server
- GHSA-vmfm-ch9h-5c7g Signal K Server's WebSocket Login Endpoint Lacks Rate Limiting (Credential Brute-Force) Also affects signalk-server
- GHSA-7gcj-phff-2884 Signal K Server has an Unauthenticated Regular Expression Denial of Service (ReDoS) via… Also affects signalk-server
- CVE-2026-39320 Signal K Server is a server application that runs on a central hub in a boat. Also affects signalk-server
- GHSA-cxj8-ggf2-p57c Signal K Server: OAuth Authorization Code Theft via Unvalidated Host Header in OIDC Flow Also affects signalk-server
- GHSA-gfmv-vh34-h2x5 Signal K Server: Unauthenticated Source Priorities Manipulation Also affects signalk-server