CVE-2026-2621

HIGH

Sciyon Koyuan Thermoelectricity Heat Network Management System 3.0 - SQL Injection via PGUID Parameter

Title source: llm

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.

References (4)

Core 4

Core References

Permissions Required, VDB Entry vdb-entry technical-description

https://vuldb.com/?id.346272

Permissions Required, VDB Entry signature permissions-required

https://vuldb.com/?ctiid.346272

Permissions Required, VDB Entry third-party-advisory

https://vuldb.com/?submit.751809

Various Sources exploit

https://github.com/red88-debug/CVEs/blob/main/Koyuan%20Thermoelectricity%20Heat%20Network%20Management%20System%20SQL%20Injection%20Vulnerability.md

View Writeup ZIP pw:eip

Scores

CVSS v3 7.3

EPSS 0.0025

EPSS Percentile 16.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-74 CWE-89

Status published

Products (1)

Sciyon/Koyuan Thermoelectricity Heat Network Management System 3.0

Published Feb 17, 2026

Tracked Since Feb 18, 2026