CVE-2026-42542

PoC —

CVSS 3.1

7.5 high

EPSS

<1%p44

Published

Jun 10, 2026 (Jun 10, 2026)

Modified

Jul 23, 2026

Description

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.

Vendors: tdengine
Products: tdengine
Weakness: CWE-191
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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