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    CVE-2026-62355

    TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to 3.4.1.15, a Data Reader admin_user on a TDengine Cloud DB instance could run create udf even though standard users should have read-only permissions for non-database objects and show dnodes and create user were denied. This issue is fixed in version 3.4.1.15.

    Published:Jul 15, 2026
    Last Modified:Jul 15, 2026
    EPS:Jul 15, 2026
    EPSS Score:
    CVSS Score:5.4

    Affected Products

    Vendor
    Taosdata
    Product
    Tdengine

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-269 Improper Privilege Management

    Related CVEs

    CVE-2026-62353 (CVSS 5.4) — TDengine is a time-series database optimized for Internet of Things devices. Prior to 3.4.1.14, source/libs/pa…
    CVE-2026-62351 (CVSS 7.5) — TDengine is a time-series database optimized for Internet of Things devices. Prior to 3.4.1.15, source/libs/tr…
    CVE-2026-62348 (CVSS 5.4) — TDengine is a time-series database optimized for Internet of Things devices. Prior to 3.4.1.15, TDengine Enter…
    CVE-2026-62349 (CVSS 8.3) — TDengine is an open source, time-series database optimized for Internet of Things devices. In 3.4.1.6 and earl…
    CVE-2026-62350 (CVSS 7.2) — TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to 3.4.1.15, …
    CVE-2026-42542 (CVSS 7.5) — TDengine is an open source, time-series database optimized for Internet of Things devices. In versions 3.4.0.0…

    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