CVE-2026-42542TDengine is an open source, time-series database optimized for Internet of Things devices.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-191
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
tdengine tdengine tdengine:tdengine | from 3.4.0.0 before 3.4.1.6 | NVD |
References
- https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.6product, release-notes
- https://github.com/taosdata/TDengine/security/advisories/GHSA-vg95-j2hf-hvjxexploit, mitigation, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.