← Vulnerability feed

Vulnerability record · CVE-2026-56455 · published 16 July 2026

CVE-2026-56455: Hcltech dfxanalytics stack-based buffer overflow vulnerability

Hcltech · Dfxanalytics

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.

7.5 CVSS 3.1 High EPSS 0.46% · top 62.8% CWE-121 · Stack-based buffer overflow
7.5CVSS 3.1 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131787 Vendor Advisory

Track CVE-2026-56455 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-56453Hcltech dfxanalytics authentication bypass by capture-replay vulnerabilityHCL DFXAnalytics is affected by an Account Takeover via Response Manipulation vulnerability. A remote attacker can intercept and alter the contents o…EPSS 0.35%9.8CVE-2025-59851Hcltech dfxanalytics vulnerabilityHCL DFXAnalytics is affected by a Using Components with Known Vulnerabilities flaw where the application utilizes unpatched libraries or sub-componen…EPSS 0.21%9.1CVE-2025-59852Hcltech dfxanalytics cleartext transmission vulnerabilityHCL DFXAnalytics is affected by an Insufficient Transport Layer Protection vulnerability where data is transmitted over the network without encryptio…EPSS 0.09%8.2CVE-2026-35142Hcltech dfxanalytics information exposure vulnerabilityHCL DFXAnalytics is affected by an Internal IP Address Disclosure vulnerability. The application includes internal IP address details within its gene…EPSS 0.32%7.5CVE-2026-56454Hcltech dfxanalytics broken cryptographic algorithm vulnerabilityHCL DFXAnalytics is affected by a Deprecated Protocol vulnerability due to the use of TLS 1.0 and TLS 1.1. These legacy protocols contain numerous cr…EPSS 0.22%7.2CVE-2026-35140Hcltech dfxanalytics information exposure vulnerabilityHCL DFXAnalytics is affected by a Missing Secure Attribute in Encrypted Session (SSL) Cookie vulnerability. The application fails to set the "secure"…EPSS 0.28%6.5CVE-2026-35143Hcltech dfxanalytics information exposure vulnerabilityHCL DFXAnalytics is affected by a Missing SameSite Attribute vulnerability. The application fails to set the "SameSite" attribute on session cookies …EPSS 0.16%6.1CVE-2025-59854Hcltech dfxanalytics cross-site scripting vulnerabilityHCL DFXAnalytics is affected by an Insecure Security Header Configuration vulnerability where the application utilizes the outdated X-XSS-Protection …EPSS 0.12%

Source: NIST National Vulnerability Database (record CVE-2026-56455), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.