Signal K Server before 2.33.0 contains a missing authentication vulnerability that allows unauthenticated remote attackers to download log archives via the /skServer/ziplogs endpoint. Attackers can extract the JWT secretKey from security.json in the ZIP, forge administrator tokens, and create persistent admin accounts for full server control.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 2
- StatusReceived → PublishedNVD modified 2026-10-28 21:11
- First seenCVSS 9.3NVD modified 2026-10-28 22:17
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 6
- https://github.com/SignalK/signalk-server
- https://github.com/SignalK/signalk-server/blob/v2.32.0/src/interfaces/logfiles.js#L30-L91
- https://github.com/SignalK/signalk-server/commit/728bab82742d16c54e50525b95dc9b6e32396107
- https://github.com/SignalK/signalk-server/releases/tag/v2.33.0
- https://github.com/SignalK/signalk-server/security/advisories/GHSA-4w32-qx5g-cpwv
- https://www.vulncheck.com/advisories/signal-k-server-before-2.33.0-missing-authentication-via-skserver-ziplogs