SSRF in Signalk Signalk-Server
CVE-2026-115752
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/SignalK/signalk-server/commit/535104f655304c697d535252da397948e5101d… (patch)
- github.com/SignalK/signalk-server/releases/tag/v2.34.0 (release-notes)
- github.com/SignalK/signalk-server/security/advisories/GHSA-7wpf-ch8f-5f4x (vendor-advisory)
- www.vulncheck.com/advisories/signal-k-server-2.28.0-beta.2-before-2.34.0-ssrf-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-115752?
- CVE-2026-115752 is a medium-severity vulnerability in Signalk Signalk-Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.2/10. Published 2026-10-23.
- How severe is CVE-2026-115752?
- Medium severity. CVSS v3 base score is 4.2 out of 10.