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CVE-2026-8284— Open Redirect in Universal Sotware's FlexCity

Quick assessment

Affected
Universal Software Inc. FlexCity
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Universal Software FlexCity是Universal Software公司的一款应用服务器软件。 Universal Software FlexCity 5.536.0版本至11052026版本存在输入验证错误漏洞，该漏洞源于URL重定向到不可信站点，可能导致输入数据被操纵。

CVSS 6.1 · Medium EPSS 0.24% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
Universal Software Inc. FlexCity 5.536.0< 5.542.0 affected
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I. Basic Information for CVE-2026-8284

Vulnerability Information
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Vulnerability Title
Open Redirect in Universal Sotware's FlexCity
Source: CVE Program / CVE List V5
Vulnerability Description
URL redirection to untrusted site ('open redirect') vulnerability in Universal Software Inc. FlexCity allows Input Data Manipulation. This issue affects FlexCity: from 5.536.0 before 5.542.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
Universal Software FlexCity 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Universal Software FlexCity是Universal Software公司的一款应用服务器软件。 Universal Software FlexCity 5.536.0版本至11052026版本存在输入验证错误漏洞，该漏洞源于URL重定向到不可信站点，可能导致输入数据被操纵。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Universal Software Inc. FlexCity 5.536.0 ~ 5.542.0 -

II. Public POCs for CVE-2026-8284

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III. Intelligence Information for CVE-2026-8284

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Vendor Advisories for CVE-2026-8284 (1)

Same Patch Batch · Universal Software Inc. · 2026-07-21 · 3 CVEs total

CVE-2026-6792 6.5 MEDIUM Improper Authorization in Universal Sotware's FlexCity
CVE-2026-8285 4.3 MEDIUM OTP Bypass in Universal Sotware's FlexCity

IV. Related Vulnerabilities

Same product: FlexCity
Same vendor: Universal Software Inc.
Same weakness: CWE-601

V. Comments for CVE-2026-8284

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