Vulnerability · Published Feb 17, 2026 · Assigned by VulDB
CVE-2026-2621Sciyon Koyuan Thermoelectricity Heat Network Management System AsyncTreeProxy.aspx sql injection
High 7.3
In plain English
A high-severity SQL injection in Koyuan Thermoelectricity Heat Network Management System from Sciyon. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Official description
A security vulnerability has been detected in Sciyon Koyuan Thermoelectricity Heat Network Management System 3.0. This affects an unknown part of the file /SISReport/WebReport20/Proxy/AsyncTreeProxy.aspx. The manipulation of the argument PGUID leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sciyon | Koyuan Thermoelectricity Heat Network Management System | 3.0 |
Weakness: CWE-89, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-346272 | Sciyon Koyuan Thermoelectricity Heat Network Management System AsyncTreeProxy.aspx sql injection vdb-entry, technical-description
- VDB-346272 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #751809 | 南京科远智慧科技集团股份有限公司 Koyuan Thermoelectricity Heat Network Management System 3.0 SQL Injection third-party-advisory
- https://github.com/red88-debug/CVEs/blob/main/Koyuan%20Thermoelectricity%20Heat%20Network%20Management%20System%20SQL%20Injection%20Vulnerability.md exploit