CVE-2026-2621 MEDIUM

CVE-2026-2621: Sciyon Koyuan Thermoelectricity Heat Network Management System AsyncTreeProxy.aspx sql injection

Vendor Sciyon
Product Koyuan Thermoelectricity Heat Network Management System
Weakness CWE-89 · SQLi
Published February 17, 2026
Last update February 23, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 17, 2026 CVE published
February 23, 2026 Record updated