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CVE-2026-66247

Quick assessment

Affected
HCL Software iControl
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.

iControl 存在不安全的跨域资源共享（CORS）策略漏洞，该漏洞可能允许恶意网站执行包含凭证的跨源请求，从而使攻击者能够在受害者当前活动会话的上下文中访问并窃取敏感数据。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2026-66247

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
iControl is affected by an insecure Cross-Origin Resource Sharing (CORS) policy vulnerability, which could allow a malicious website to execute cross-origin requests with included credentials, enabling an attacker to access and exfiltrate sensitive data within the context of the victim's active session.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
HCL Software iControl v4.5.0 -

II. Public POCs for CVE-2026-66247

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-66247

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Vendor Advisories for CVE-2026-66247 (1)

Same Patch Batch · HCL Software · 2026-10-01 · 14 CVEs total

CVE-2026-66246 8.8 HIGH HCL iControl is affected by multiple security vulnerabilities
CVE-2026-67105 7.4 HIGH HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-56589 7.2 HIGH HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-67106 5.3 MEDIUM HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-67104 5.3 MEDIUM HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-67171 5.3 MEDIUM HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2025-31980 4.3 MEDIUM HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-21833 3.7 LOW HCL AION is susceptible to a Missing "Content-Security-Policy" header Vulnerability (CVE-2
CVE-2026-67172 3.7 LOW HCL BigFix Service Management is affected by multiple security vulnerabilities.
CVE-2026-66249 3.1 LOW HCL iControl is affected by a Missing Secure Attribute vulnerability
CVE-2026-66248 3.1 LOW HCL iControl is affected by an Improper Error Handling vulnerability
CVE-2026-66253 3.1 LOW HCL iControl is affected by a Session Timeout vulnerability
CVE-2026-56599 2.2 LOW HCL BigFix Service Management is affected by multiple security vulnerabilities.

IV. Related Vulnerabilities

Same product: iControl
Same vendor: HCL Software

V. Comments for CVE-2026-66247

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