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    CVE-2026-75843

    ArcadeDB before 26.8.1 fails to bind the authenticated principal on the gRPC transaction executor thread in beginTransaction, allowing authenticated readers to execute JavaScript commands without scripting authorization checks. Attackers can execute executeCommand with a transaction ID to run unrestricted JavaScript that creates server-wide administrator accounts.

    Published:Aug 18, 2026
    Last Modified:Aug 18, 2026
    EPS:Aug 18, 2026
    EPSS Score:
    CVSS Score:9.9

    Affected Products

    Vendor
    Arcadedata
    Product
    Arcadedb

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-269 Improper Privilege Management

    Related CVEs

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    CVE-2026-76223 (CVSS 7.1) — ArcadeDB (com.arcadedb) versions 26.7.3 and earlier fail to enforce the UPDATE_SCHEMA permission check when a …
    CVE-2026-75855 (CVSS 8.4) — ArcadeDB versions before 26.8.1 fail to sanitize database names in the POST /api/v1/server endpoint's create d…
    CVE-2026-75854 (CVSS 9.3) — ArcadeDB versions before 26.8.1 contain a missing authentication vulnerability in the Redis wire-protocol plug…
    CVE-2026-75853 (CVSS 8.7) — ArcadeDB's Gremlin wire-protocol plugin (com.arcadedb:arcadedb-gremlin) in versions <= 26.7.3 enforces authent…
    CVE-2026-75852 (CVSS 9.3) — ArcadeDB versions before 26.8.1 fail to enforce SASL authentication on data commands in the MongoDB wire-proto…
    CVE-2026-75851 (CVSS 9.4) — ArcadeDB server (com.arcadedb:arcadedb-server) in versions 26.7.3 and earlier fails to propagate the authentic…
    CVE-2026-75850 (CVSS 2.3) — ArcadeDB before 26.8.1 fails to bind the authenticated principal (setCurrentUser) on its batch and time-series…
    CVE-2026-75846 (CVSS 7.1) — ArcadeDB before 26.8.1 (affected versions <= 26.7.3) contains a missing authorization vulnerability in the DEL…

    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