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CVE-2026-35149— HCL DFXServer is affected by an Authentication Bypass vulnerability via server response manipulation.

Quick assessment

Affected
HCL Software DFXServer
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.

HCL DFXServer是印度HCL公司的一款企业级服务器产品。 HCL DFXServer 2.5及之前版本存在授权问题漏洞，该漏洞源于服务器响应处理问题，可能导致未经身份验证的攻击者通过拦截和修改服务器身份验证响应绕过认证，从而获未授权访问应用程序。

CVSS 8.2 · High EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
HCL Software DFXServer version 2.5 and below affected
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I. Basic Information for CVE-2026-35149

Vulnerability Information
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Vulnerability Title
HCL DFXServer is affected by an Authentication Bypass vulnerability via server response manipulation.
Source: CVE Program / CVE List V5
Vulnerability Description
HCL DFXServer is affected by an Authentication Bypass vulnerability via server response manipulation. An unauthorized user without valid credentials can exploit this flaw by intercepting and altering the server's authentication responses, allowing them to gain unauthorized access to the application without verification.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用捕获-重放进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
HCL DFXServer 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL DFXServer是印度HCL公司的一款企业级服务器产品。 HCL DFXServer 2.5及之前版本存在授权问题漏洞，该漏洞源于服务器响应处理问题，可能导致未经身份验证的攻击者通过拦截和修改服务器身份验证响应绕过认证，从而获未授权访问应用程序。
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
HCL Software DFXServer version 2.5 and below -

II. Public POCs for CVE-2026-35149

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III. Intelligence Information for CVE-2026-35149

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Vendor Advisories for CVE-2026-35149 (1)

Same Patch Batch · HCL Software · 2026-07-16 · 12 CVEs total

CVE-2026-35147 8.2 HIGH HCL DFXServer is affected by a Broken Authentication vulnerability via direct API access.
CVE-2026-35148 6.3 MEDIUM HCL DFXServer is affected by a Missing Access Control vulnerability
CVE-2026-56454 5.9 MEDIUM HCL DFXAnalytics is affected by a Deprecated Protocol vulnerability due to the use of TLS
CVE-2026-56453 5.5 MEDIUM HCL DFXAnalytics is affected by an Account Takeover via Response Manipulation vulnerabilit
CVE-2026-56456 5.3 MEDIUM HCL DFXAnalytics is affected by an Internal File Path Disclosure vulnerability.
CVE-2026-56455 5.3 MEDIUM HCL DFXAnalytics is affected by a Buffer Overflow vulnerability that can lead to a Denial
CVE-2026-35145 3.1 LOW HCL DFXAnalytics is affected by a Missing HTTP Strict-Transport-Security Header vulnerabil
CVE-2026-35143 3.0 LOW HCL DFXAnalytics is affected by a Missing SameSite Attribute vulnerability.
CVE-2026-35140 3.0 LOW HCL DFXAnalytics is affected by a Missing Secure Attribute in Encrypted Session (SSL) Cook
CVE-2026-35142 2.6 LOW HCL DFXAnalytics is affected by an Internal IP Address Disclosure vulnerability.
CVE-2026-35141 2.6 LOW HCL DFXAnalytics is affected by a Login Replay Attack vulnerability

IV. Related Vulnerabilities

Same product: DFXServer
Same vendor: HCL Software
Same weakness: CWE-294

V. Comments for CVE-2026-35149

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