vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-21826

HCL Digital Experience and HCL Digital Experience Compose could be susceptible to Host header injection

MEDIUM
6.1
CVSS Score
Published: June 5, 2026 at 05:58 AM UTC
Updated: July 23, 2026 at 07:35 AM UTC
2 products affected across 1 vendorDigital ExperienceDigital Experience Compose

Using Digital Experience & DX Compose by HCLSoftware?

Get instant alerts when new vulnerabilities affect Digital Experience & DX Compose - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM6.1
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

HCL Digital Experience and HCL Digital Experience Compose could be susceptible to Host header injection.  An attacker can manipulate the Host header and cause the application to behave in unexpected ways.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130849

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMHCL
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-601

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card