CVE-2026-62353: TDengine is a time-series database optimized for Internet of Things devices. Prior to 3.4.1.14, source/libs/parser/src/parTokenizer.c tGetToken() incremented past a trailing backsl
TDengine is a time-series database optimized for Internet of Things devices. Prior to 3.4.1.14, source/libs/parser/src/parTokenizer.c tGetToken() incremented past a trailing backslash in a SQL string literal such as 'abc\ and read one byte beyond the null terminator, allowing an authenticated user who can submit SQL queries to crash the server and possibly leak adjacent memory. This issue is fixed in version 3.4.1.14.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-62353
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-623530.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-62353 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for TDengine is a
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- mediumCVE-2026-62355: TDengine is an open source, time-series database optimized for Internet of Things devices. Pri…nvd · 2026-07-15
- highCVE-2026-62351: TDengine is a time-series database optimized for Internet of Things devices. Prior to 3.4.1.15…nvd · 2026-07-15
- highCVE-2026-62350: TDengine is an open source, time-series database optimized for Internet of Things devices. Pri…nvd · 2026-07-15
- highCVE-2026-62349: TDengine is an open source, time-series database optimized for Internet of Things devices. In …nvd · 2026-07-15
- mediumCVE-2026-62348: TDengine is a time-series database optimized for Internet of Things devices. Prior to 3.4.1.15…nvd · 2026-07-15
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