Vulnerability in Signalk Signal_k_server
CVE-2026-41893
Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.25.0, the HTTP login endpoints (POST /login and POST /signalk/v1/auth/login) are protected by express-rate-limit (default: 100 attempts per 10…
EPSS: 0.000 (11.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Signalk Signal_k_server
- Signalk Signalk-server — versions < 2.25.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-41893?
- CVE-2026-41893 is a high-severity vulnerability in Signalk Signal_k_server, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2026-05-09.
- How severe is CVE-2026-41893?
- High severity. CVSS v3 base score is 7.5 out of 10.