CVEvulnerability
CVE-2026-118690
9.3 CRITICAL
Official page ↗
- Status
- Deferred
- Published
- 2026-10-28
- Last modified
- 2026-10-29
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 9.3 CRITICAL — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-306
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.
Related
Weakness · CWE (1)
- CWE-306 Missing Authentication for Critical Functionality weakness
References
- https://github.com/SignalK/signalk-server github.com
- https://github.com/SignalK/signalk-server/blob/v2.32.0/src/interfaces/logfiles.js#L30-L91 github.com
- https://github.com/SignalK/signalk-server/commit/728bab82742d16c54e50525b95dc9b6e32396107 github.com
- https://github.com/SignalK/signalk-server/releases/tag/v2.33.0 github.com
- https://github.com/SignalK/signalk-server/security/advisories/GHSA-4w32-qx5g-cpwv github.com
- https://www.vulncheck.com/advisories/signal-k-server-before-2.33.0-missing-authentication-via-skserver-ziplogs www.vulncheck.com