---
title: "CVE-2026-62849: ThingLinks - SQL Injection"
description: "ThingLinks prior to 1.4.0 contains an unauthenticated SQL injection caused by unsafe SQL construction from request-controlled JSON fields in TDengine TDS APIs, letting remote attackers tamper with time-series data, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-62849/
---

# CVE-2026-62849 ThingLinks - SQL Injection

ThingLinks prior to 1.4.0 contains an unauthenticated SQL injection caused by unsafe SQL construction from request-controlled JSON fields in TDengine TDS APIs, letting remote attackers tamper with time-series data, exploit requires no authentication.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.50% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-62849)

## Details

Type

SQL Injection

Impact

Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Published

30 October 2026

Updated

1 November 2026

Weakness

[CWE-89](https://cwe.mitre.org/data/definitions/89.html)

## Vendor fix

Update to version 1.4.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-62849](https://nvd.nist.gov/vuln/detail/CVE-2026-62849)
- [https://github.com/mqttsnet/thinglinks/commit/60e7a934753638f916a665d2d24c4377344c7599](https://github.com/mqttsnet/thinglinks/commit/60e7a934753638f916a665d2d24c4377344c7599)
- [https://github.com/mqttsnet/thinglinks/releases/tag/v1.4.0](https://github.com/mqttsnet/thinglinks/releases/tag/v1.4.0)
- [https://github.com/mqttsnet/thinglinks/security/advisories/GHSA-gcj7-r5wv-348x](https://github.com/mqttsnet/thinglinks/security/advisories/GHSA-gcj7-r5wv-348x)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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