CVE Explorer
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-minute window, configurable via HTTP_RATE_LIMITS). The WebSocket login path — sending {login: {username, password}} messages over an established WebSocket connection — calls app.securityStrategy.login() directly without any rate limiting. An attacker can bypas
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"signalk-server","vendor":"SignalK","versions":[{"status":"affected","version":"< 2.25.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:c773f61b51e105a2a3b1c7fd9ca0688a195f9849b56cbf5fdc8db306fb528cec · sha256:93cf7aa96eb492c9… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:c773f61b51e105a2a3b1c7fd9ca0688a195f9849b56cbf5fdc8db306fb528cec · sha256:93cf7aa96eb492c9… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-307","description":"CWE-307: Improper Restriction of Excessive Authentication Attempts","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:c773f61b51e105a2a3b1c7fd9ca0688a195f9849b56cbf5fdc8db306fb528cec · sha256:93cf7aa96eb492c9… · /containers/cna/problemTypes/0/descriptions/0
Source references
5 source assertions{"name":"https://github.com/SignalK/signalk-server/commit/215d81eb700d5419c3396a0fbf23f2e246dfac2d","tags":["x_refsource_MISC"],"url":"https://github.com/SignalK/signalk-server/commit/215d81eb700d5419c3396a0fbf23f2e246dfac2d"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c773f61b51e105a2a3b1c7fd9ca0688a195f9849b56cbf5fdc8db306fb528cec · sha256:93cf7aa96eb492c9… · /containers/cna/references/2
{"name":"https://github.com/SignalK/signalk-server/pull/2568","tags":["x_refsource_MISC"],"url":"https://github.com/SignalK/signalk-server/pull/2568"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c773f61b51e105a2a3b1c7fd9ca0688a195f9849b56cbf5fdc8db306fb528cec · sha256:93cf7aa96eb492c9… · /containers/cna/references/1
{"name":"https://github.com/SignalK/signalk-server/releases/tag/v2.25.0","tags":["x_refsource_MISC"],"url":"https://github.com/SignalK/signalk-server/releases/tag/v2.25.0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c773f61b51e105a2a3b1c7fd9ca0688a195f9849b56cbf5fdc8db306fb528cec · sha256:93cf7aa96eb492c9… · /containers/cna/references/3
{"name":"https://github.com/SignalK/signalk-server/security/advisories/GHSA-vmfm-ch9h-5c7g","tags":["x_refsource_CONFIRM"],"url":"https://github.com/SignalK/signalk-server/security/advisories/GHSA-vmfm-ch9h-5c7g"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c773f61b51e105a2a3b1c7fd9ca0688a195f9849b56cbf5fdc8db306fb528cec · sha256:93cf7aa96eb492c9… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/SignalK/signalk-server/security/advisories/GHSA-vmfm-ch9h-5c7g"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:c773f61b51e105a2a3b1c7fd9ca0688a195f9849b56cbf5fdc8db306fb528cec · sha256:93cf7aa96eb492c9… · /containers/adp/0/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.