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...

EUVD-2026-36136

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...

CVE-2026-42542

CVE-2026-42542 affects TDengine versions 3.4.0.0–3.4.1.5. An unauthenticated remote attacker can cause a denial of service by sending a single crafted RPC packet, triggering an integer underflow in uvConnMayGetUserInfo() and crashing the taosd server. Impact is limited to availability (A) with ne...

CVE-2026-42542 TDengine has an integer underflow in uvConnMayGetUserInfo() allows unauthenticated remote crash (DoS)

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...

CVE-2026-42542 TDengine has an integer underflow in uvConnMayGetUserInfo() allows unauthenticated remote crash (DoS)

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...

PT-2026-48533

🚨 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...

TDengine 数字错误漏洞

TDengine is an open-source, high-performance, cloud-native time series database developed by the TDengine company. There are digital error vulnerabilities in the TDengine 3.4.0.0 to 3.4.1.5 version. These vulnerabilities stem from unverified remote attackers sending specially crafted RPC packets,...

GHSA-H9FJ-C2QR-76G2 FUXA has SQL Injection in its TDengine DAQ connector via backslash bypass of escapeTdString

Summary The TDengine DAQ storage connector's escapeTdString at server/runtime/storage/tdengine/index.js:10 doubles single quotes but does not escape backslashes. TDengine's SQL parser treats ' as a literal single quote inside a string, so a tag id of the form x' OR 1=1-- escapes the first single...

FUXA has SQL Injection in its TDengine DAQ connector via backslash bypass of escapeTdString

Summary The TDengine DAQ storage connector's escapeTdString at server/runtime/storage/tdengine/index.js:10 doubles single quotes but does not escape backslashes. TDengine's SQL parser treats ' as a literal single quote inside a string, so a tag id of the form x' OR 1=1-- escapes the first single...

PT-2026-47617

Summary The TDengine DAQ storage connector's escapeTdString at server/runtime/storage/tdengine/index.js:10 doubles single quotes but does not escape backslashes. TDengine's SQL parser treats ' as a literal single quote inside a string, so a tag id of the form x' OR 1=1-- escapes the first single...

PT-2026-47570

Summary The TDengine DAQ storage connector's escapeTdString at server/runtime/storage/tdengine/index.js:10 doubles single quotes but does not escape backslashes. TDengine's SQL parser treats ' as a literal single quote inside a string, so a tag id of the form x' OR 1=1-- escapes the first single...

EUVD-2023-42306

Malicious code in bioql PyPI...

CVE-2023-38502

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to version 3.0.7.1, TDengine DataBase crashes on UDF nested query. This issue affects TDengine Databases which let users connect and run arbitrary queries. Version 3.0.7.1 has a patch for this issue...

Denial Of Service (DoS)

github.com/taosdata/TDengine is vulnerable to Denial Of Service DoS. The vulnerability exists due to the improper input validation of the library, which allows an attacker with the create function privilege to crash the application by providing a maliciously crafted UDF nested query...

CVE-2023-38502

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to version 3.0.7.1, TDengine DataBase crashes on UDF nested query. This issue affects TDengine Databases which let users connect and run arbitrary queries. Version 3.0.7.1 has a patch for this issue...

Design/Logic Flaw

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to version 3.0.7.1, TDengine DataBase crashes on UDF nested query. This issue affects TDengine Databases which let users connect and run arbitrary queries. Version 3.0.7.1 has a patch for this issue...

CVE-2023-38502 TDengine Database Denial-of-Service

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to version 3.0.7.1, TDengine DataBase crashes on UDF nested query. This issue affects TDengine Databases which let users connect and run arbitrary queries. Version 3.0.7.1 has a patch for this issue...

CVE-2023-38502 TDengine Database Denial-of-Service

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to version 3.0.7.1, TDengine DataBase crashes on UDF nested query. This issue affects TDengine Databases which let users connect and run arbitrary queries. Version 3.0.7.1 has a patch for this issue...

CVE-2023-38502

CVE-2023-38502 describes a Denial-of-Service in TDengine prior to 3.0.7.1 caused by an input validation issue that makes the database crash when evaluating a UDF nested query. A patch exists in version 3.0.7.1. Affected products are TDengine databases that allow arbitrary query execution; the roo...

CVE-2023-38502 TDengine Database Denial-of-Service

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to version 3.0.7.1, TDengine DataBase crashes on UDF nested query. This issue affects TDengine Databases which let users connect and run arbitrary queries. Version 3.0.7.1 has a patch for this issue...