CVE-2026-56455— HCL DFXAnalytics is affected by a Buffer Overflow vulnerability that can lead to a Denial of Service (DoS).
Quick assessment
Affected
HCL Software DFXAnalytics
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 DFXAnalytics是印度HCL公司的中间件。 HCL DFXAnalytics 3.0及之前版本存在缓冲区错误漏洞，该漏洞源于未正确验证输入大小导致缓冲区溢出，可能导致攻击者将过量信息传入内存容器，导致系统崩溃或无响应。
Possible ATT&CK Techniques 2 AI
T1499 · Endpoint Denial of Service T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| HCL Software | DFXAnalytics | version 3.0 and below |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-56455
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
HCL DFXAnalytics is affected by a Buffer Overflow vulnerability that can lead to a Denial of Service (DoS).
Source: CVE Program / CVE List V5
Vulnerability Description
HCL DFXAnalytics is affected by a Buffer Overflow vulnerability that can lead to a Denial of Service (DoS). The application fails to properly validate input sizes, allowing an attacker to pass an excessive amount of information into a memory container, which can cause the system to crash or become unresponsive. To mitigate this flaw, comprehensive input length checks must be implemented and enforced on both the client and server sides.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
HCL DFXAnalytics 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL DFXAnalytics是印度HCL公司的中间件。 HCL DFXAnalytics 3.0及之前版本存在缓冲区错误漏洞，该漏洞源于未正确验证输入大小导致缓冲区溢出，可能导致攻击者将过量信息传入内存容器，导致系统崩溃或无响应。
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 | DFXAnalytics | version 3.0 and below | - |
|
II. Public POCs for CVE-2026-56455
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-56455
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-56455 (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-2026-35149 | 8.2 HIGH | HCL DFXServer is affected by an Authentication Bypass vulnerability via server response ma |
| 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-2026-35145 | 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: DFXAnalytics
-
CVE-2026-56456
HCL DFXAnalytics is affected by an Internal File Path Disclo -
CVE-2026-56454
HCL DFXAnalytics is affected by a Deprecated Protocol vulner -
CVE-2026-56453
HCL DFXAnalytics is affected by an Account Takeover via Resp -
CVE-2026-35145
HCL DFXAnalytics is affected by a Missing HTTP Strict-Transp -
CVE-2026-35143
HCL DFXAnalytics is affected by a Missing SameSite Attribute
Same vendor: HCL Software
-
CVE-2026-21833
HCL AION is susceptible to a Missing "Content-Security-Polic -
CVE-2025-31980
HCL BigFix Service Management is affected by multiple securi -
CVE-2026-67172
HCL BigFix Service Management is affected by multiple securi -
CVE-2026-67171
HCL BigFix Service Management is affected by multiple securi -
CVE-2026-67106
HCL BigFix Service Management is affected by multiple securi
Same weakness: CWE-121
-
CVE-2026-63292
Apache HTTP Server: mod_vhost_alias stack overflow -
CVE-2026-12627
Fortra's Core Privileged Access Manager (BoKS) autoregistrat -
CVE-2026-103531
OpenSC card-setcos.c setcos_construct_fci_44 stack-based ove -
CVE-2026-47506
NVIDIA Windows驱动YCbCr420处理栈溢出致拒绝服务 -
CVE-2026-47593
NVIDIA Windows驱动越界写致提权漏洞
V. Comments for CVE-2026-56455
No comments yet