CVE-2026-21826

6.1 MEDIUM

Published: June 05, 2026 Modified: June 10, 2026

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: psirt@hcl.com

Vendor Advisory

1 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.1 / 10.0

EPSS (Exploit Probability)

0.1%

4th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-601

Affected Vendors

hcltech

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