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CVE-2026-39320

Signal K Server is a server application that runs on a central hub in a boat. Versions prior to 2.25.0 are vulnerable to an unauthenticated Regular Expression Denial of Service (ReDoS) attack within the WebSocket subscription handling logic. By injecting unescaped regex metacharacters into the `context` parameter of a stream subscription, an attacker can force the server's Node.js event loop into a catastrophic backtracking loop when evaluating long string identifiers (like the server's self UUI
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7a374591676502f4bbc3ba3ef67e472ca023f85a1e4b29f0b8c44059e2c63eb9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-1333","description":"CWE-1333: Inefficient Regular Expression Complexity","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c887ab59935db3b551cfee67893d48e5807e3cc2c6f7f14e762fbc5b60db5989 · sha256:924d2fa083274d77… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c887ab59935db3b551cfee67893d48e5807e3cc2c6f7f14e762fbc5b60db5989 · sha256:924d2fa083274d77… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"signalk-server","vendor":"SignalK","versions":[{"status":"affected","version":"< 2.25.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c887ab59935db3b551cfee67893d48e5807e3cc2c6f7f14e762fbc5b60db5989 · sha256:924d2fa083274d77… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c887ab59935db3b551cfee67893d48e5807e3cc2c6f7f14e762fbc5b60db5989 · sha256:924d2fa083274d77… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-1333","description":"CWE-1333: Inefficient Regular Expression Complexity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c887ab59935db3b551cfee67893d48e5807e3cc2c6f7f14e762fbc5b60db5989 · sha256:924d2fa083274d77… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c887ab59935db3b551cfee67893d48e5807e3cc2c6f7f14e762fbc5b60db5989 · sha256:924d2fa083274d77… · /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_v5reference
    urn:baitaphish:normalized-source-record:v2:c887ab59935db3b551cfee67893d48e5807e3cc2c6f7f14e762fbc5b60db5989 · sha256:924d2fa083274d77… · /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_v5reference
    urn:baitaphish:normalized-source-record:v2:c887ab59935db3b551cfee67893d48e5807e3cc2c6f7f14e762fbc5b60db5989 · sha256:924d2fa083274d77… · /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_v5reference
    urn:baitaphish:normalized-source-record:v2:c887ab59935db3b551cfee67893d48e5807e3cc2c6f7f14e762fbc5b60db5989 · sha256:924d2fa083274d77… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/SignalK/signalk-server/security/advisories/GHSA-7gcj-phff-2884"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c887ab59935db3b551cfee67893d48e5807e3cc2c6f7f14e762fbc5b60db5989 · sha256:924d2fa083274d77… · /containers/adp/0/references/0
{"name":"https://github.com/SignalK/signalk-server/security/advisories/GHSA-7gcj-phff-2884","tags":["x_refsource_CONFIRM"],"url":"https://github.com/SignalK/signalk-server/security/advisories/GHSA-7gcj-phff-2884"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c887ab59935db3b551cfee67893d48e5807e3cc2c6f7f14e762fbc5b60db5989 · sha256:924d2fa083274d77… · /containers/cna/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.

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