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

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Summary

CVECVE-2026-21826
StatePUBLISHED
AssignerHCL
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-05 07:16:29 UTC
Updated2026-06-10 19:24:47 UTC
DescriptionHCL 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.

Risk And Classification

Primary CVSS: v3.1 6.1 MEDIUM from [email protected]

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

EPSS: 0.001440000 probability, percentile 0.039850000 (date 2026-06-16)

Problem Types: CWE-601 | CWE-601 CWE-601 URL redirection to untrusted site ('open redirect')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.1CNACVSS6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Hcltech Digital Experience 9.5 - All All
Application Hcltech Digital Experience 9.5 cf17 All All
Application Hcltech Digital Experience 9.5 cf171 All All
Application Hcltech Digital Experience 9.5 cf172 All All
Application Hcltech Digital Experience 9.5 cf173 All All
Application Hcltech Digital Experience 9.5 cf18 All All
Application Hcltech Digital Experience 9.5 cf181 All All
Application Hcltech Digital Experience 9.5 cf182 All All
Application Hcltech Digital Experience 9.5 cf183 All All
Application Hcltech Digital Experience 9.5 cf184 All All
Application Hcltech Digital Experience 9.5 cf19 All All
Application Hcltech Digital Experience 9.5 cf191 All All
Application Hcltech Digital Experience 9.5 cf192 All All
Application Hcltech Digital Experience 9.5 cf193 All All
Application Hcltech Digital Experience 9.5 cf194 All All
Application Hcltech Digital Experience 9.5 cf195 All All
Application Hcltech Digital Experience 9.5 cf196 All All
Application Hcltech Digital Experience 9.5 cf197 All All
Application Hcltech Digital Experience 9.5 cf198 All All
Application Hcltech Digital Experience 9.5 cf199 All All
Application Hcltech Digital Experience 9.5 cf200 All All
Application Hcltech Digital Experience 9.5 cf201 All All
Application Hcltech Digital Experience 9.5 cf202 All All
Application Hcltech Digital Experience 9.5 cf203 All All
Application Hcltech Digital Experience 9.5 cf204 All All
Application Hcltech Digital Experience 9.5 cf205 All All
Application Hcltech Digital Experience 9.5 cf206 All All
Application Hcltech Digital Experience 9.5 cf207 All All
Application Hcltech Digital Experience 9.5 cf208 All All
Application Hcltech Digital Experience 9.5 cf209 All All
Application Hcltech Digital Experience 9.5 cf210 All All
Application Hcltech Digital Experience 9.5 cf211 All All
Application Hcltech Digital Experience 9.5 cf212 All All
Application Hcltech Digital Experience 9.5 cf213 All All
Application Hcltech Digital Experience 9.5 cf214 All All
Application Hcltech Digital Experience 9.5 cf215 All All
Application Hcltech Digital Experience 9.5 cf216 All All
Application Hcltech Digital Experience 9.5 cf217 All All
Application Hcltech Digital Experience 9.5 cf218 All All
Application Hcltech Digital Experience 9.5 cf219 All All
Application Hcltech Digital Experience 9.5 cf220 All All
Application Hcltech Digital Experience 9.5 cf221 All All
Application Hcltech Digital Experience 9.5 cf222 All All
Application Hcltech Digital Experience 9.5 cf223 All All
Application Hcltech Digital Experience 9.5 cf224 All All
Application Hcltech Digital Experience 9.5 cf225 All All
Application Hcltech Digital Experience 9.5 cf226 All All
Application Hcltech Digital Experience 9.5 cf227 All All
Application Hcltech Digital Experience 9.5 cf228 All All
Application Hcltech Digital Experience 9.5 cf229 All All
Application Hcltech Digital Experience 9.5 cf230 All All
Application Hcltech Digital Experience 9.5 cf231 All All
Application Hcltech Digital Experience 9.5 cf232 All All
Application Hcltech Digital Experience 9.5 cf233 All All
Application Hcltech Digital Experience 9.5 cf234 All All
Application Hcltech Digital Experience Compose 9.5 - All All
Application Hcltech Digital Experience Compose 9.5 cf224 All All
Application Hcltech Digital Experience Compose 9.5 cf225 All All
Application Hcltech Digital Experience Compose 9.5 cf226 All All
Application Hcltech Digital Experience Compose 9.5 cf227 All All
Application Hcltech Digital Experience Compose 9.5 cf228 All All
Application Hcltech Digital Experience Compose 9.5 cf229 All All
Application Hcltech Digital Experience Compose 9.5 cf230 All All
Application Hcltech Digital Experience Compose 9.5 cf231 All All
Application Hcltech Digital Experience Compose 9.5 cf232 All All
Application Hcltech Digital Experience Compose 9.5 cf233 All All
Application Hcltech Digital Experience Compose 9.5 cf234 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA HCLSoftware Digital Experience DX Compose affected 9.5 Not specified

References

ReferenceSourceLinkTags
support.hcl-software.com/csm [email protected] support.hcl-software.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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