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    CVE-2026-42542

    TDengine is an open source, time-series database optimized for Internet of Things devices. In versions 3.4.0.0 through 3.4.1.5, an unauthenticated remote attacker can crash the taosd server process by sending a single crafted RPC packet. No credentials or prior session state are required. Version 3.4.1.6 fixes the issue.

    Published:Jun 10, 2026
    Last Modified:Jun 12, 2026
    EPS:Jun 10, 2026
    EPSS Score:0.00081
    CVSS Score:7.5

    Affected Products

    Vendor
    Taosdata
    Product
    Tdengine
    Vendor
    Tdengine
    Product
    Tdengine

    Exploits

    https://github.com/taosdata/TDengine/security/advisories/GHSA-vg95-j2hf-hvjx

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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-2026-62355 (CVSS 5.4) — TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to 3.4.1.15, …

    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