CVE-2026-118690

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    CVE-2026-118690

    Published: 28 Oct 2026Last Modified: 31 Oct 2026

    Summary: Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/118xxx/CVE-2026-118690.json, https://github.com/SignalK/signalk-server/releases/tag/v2.33.0, https://github.com/SignalK/signalk-server/security/advisories/GHSA-4w32-qx5g-cpwv, https://nvd.nist.gov/vuln/detail/CVE-2026-118690, https://www.vulncheck.com/advisories/signal-k-server-before-2.33.0-missing-authentication-via-skserver-ziplogs, https://github.com/SignalK/signalk-server/commit/728bab82742d16c54e50525b95dc9b6e32396107, https://github.com/SignalK/signalk-server, https://github.com/SignalK/signalk-server/blob/v2.32.0/src/interfaces/logfiles.js#L30-L91

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -41087af2a9d01440d1327f228c0bc649a62d7ed7

    Affected versions

    v2.32.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-118690 | CVE-DB