CVE-2026-4027— FlexNet Manager Suite Attachment File Disclosure
Possible ATT&CK Techniques 1AI
T1552.005 · Cloud Instance Metadata APIAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Flexera | FlexNet Manager Suite | 2025 R1≤ 2025 R2 | affected |
2026 R1 | unaffected |
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I. Basic Information for CVE-2026-4027
Vulnerability Information
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Vulnerability Title
FlexNet Manager Suite Attachment File Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been identified in FlexNet Manager Suite 2025 R1 and R2 that could allow unauthorized access to attachment files due to insufficient access control.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Flexera FlexNet Manager Suite 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flexera FlexNet Manager Suite是美国Flexera公司的一款企业级 IT 资产管理（ITAM）与软件资产管理（SAM）解决方案。 FlexNet Manager Suite 2025 R1版本和2025 R2版本存在安全漏洞，该漏洞源于访问控制不足，可能导致未经授权访问附件文件。
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 |
|---|---|---|---|---|
| Flexera | FlexNet Manager Suite | 2025 R1 ~ 2025 R2 | - |
II. Public POCs for CVE-2026-4027
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-4027 (1)
- 🔗 Feed Detailvendor-advisory
IV. Related Vulnerabilities
Same weakness: CWE-284
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Microsoft Windows Cross Device Service Elevation of Privileg - CVE-2026-72601
CSZ CMS CSZ CMS - Broken Access Control - CVE-2026-72600
Idurar IDURAR ERP CRM - Broken Access Control
V. Comments for CVE-2026-4027
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