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CVE-2026-62349

8.3 · HIGH

TDengine is an open source, time-series database optimized for Internet of Things devices.

Published Jul 15, 2026CWE-121EPSS 0.57%

Overview

CVE-2026-62349 is a high-severity vulnerability. It was published on July 15, 2026 and has a CVSS 3.1 base score of 8.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

TDengine is an open source, time-series database optimized for Internet of Things devices. In 3.4.1.6 and earlier, source/libs/parser/src/parUtil.c trimString() checks space for only one byte before processing SQL string escape sequences \%, \_, or \x, allowing a one-byte out-of-bounds write to the stack buffer tmpTokenBuf that can cause denial of service and potentially remote code execution. This issue is fixed in version 3.4.1.14.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/taosdata/TDengine/security/advisories/GHSA-4v5h-fxjw-vrmqGitHubgithub.com/taosdata/TDengine/security/advisories/GHSA-4v5h-fxjw-vrmq

How CyberStrike helps

Frequently asked questions

What is CVE-2026-62349?

CVE-2026-62349 is a high-severity vulnerability. It was published on July 15, 2026 and has a CVSS 3.1 base score of 8.3 (HIGH).

How severe is CVE-2026-62349?

This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-62349?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-62349?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-62349 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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