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taosdata CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

HIGH taosdata CVE published 2026-06-10

CVE-2026-42542

CVE-2026-42542 is a HIGH severity vulnerability in TDengine, an open source time-series database optimized for Internet of Things devices. Versions 3.4.0.0 through 3.4.1.5 are vulnerable. 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. The issue is fixed in version 3.4.1.6.