CVE-2026-118690 | BDVDB-2026-397396 Detail
SignalKsignalk-server
Description#
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
- CWE-306 Missing Authentication for Critical Function
References#
- https://github.com/SignalK/signalk-server/commit/728bab82742d16c54e50525b95dc9b6e32396107
- https://github.com/SignalK/signalk-server
- https://github.com/SignalK/signalk-server/security/advisories/GHSA-4w32-qx5g-cpwv
- https://github.com/SignalK/signalk-server/blob/v2.32.0/src/interfaces/logfiles.js#L30-L91
- https://github.com/SignalK/signalk-server/releases/tag/v2.33.0
- https://www.vulncheck.com/advisories/signal-k-server-before-2.33.0-missing-authentication-via-skserver-ziplogs
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.