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.
- Affected products
- Tdengine
- Tdengine
- < 3.4.1.6
- Fix
- Available
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.5% (42th percentile)
- Weakness
- CWE-191
- NVD status
- Analyzed
- Published
- 2026-06-10
CVE-2026-42542 at NVD
No indexed exploits for CVE-2026-42542 yet
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No exploit for CVE-2026-42542 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.