3.1
LOW CVSS 3.1
CVE-2026-56586
HCL IEM was affected with X-Content-Type-Options Header Missing
Description

HCL IEM was affected with X-Content-Type-Options Header Missing. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and intercept sensitive data.

INFO

Published Date :

July 21, 2026, 4:17 p.m.

Last Modified :

July 21, 2026, 5:09 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-56586 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 LOW 1e47fe04-f25f-42fa-b674-36de2c5e3cfc
CVSS 3.1 LOW [email protected]
CVSS 3.1 LOW MITRE-CVE
Solution
Configure X-Content-Type-Options header to prevent content sniffing and related attacks.
  • Enable X-Content-Type-Options header.
  • Set value to 'nosniff'.
  • Deploy updated web server configuration.
  • Verify header implementation.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-56586.

URL Resource
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132378
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-56586 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-56586 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-56586 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-56586 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jul. 21, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'HCLSoftware', 'product': 'IntelliOps Event Management', 'versions': [{'status': 'affected', 'version': '1.1'}], 'defaultStatus': 'unaffected'}]
    Added Description HCL IEM was affected with X-Content-Type-Options Header Missing. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and intercept sensitive data.
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
    Added CWE CWE-16
    Added Reference https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132378
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.