CVE-2026-21826

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

Published Jun 5, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
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 solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Hcltech digital Experience Compose
CPEs cpe:2.3:a:hcltech:digital_experience:9.5:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf171:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf172:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf173:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf17:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf181:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf182:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf183:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf184:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf18:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf191:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf192:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf193:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf194:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf195:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf196:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf197:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf198:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf199:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf19:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf200:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf201:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf202:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf203:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf204:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf205:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf206:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf207:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf208:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf209:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf210:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf211:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf212:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf213:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf214:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf215:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf216:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf217:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf218:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf219:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf220:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf221:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf222:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf223:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf224:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf225:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf226:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf227:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf228:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf229:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf230:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf231:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf232:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf233:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience:9.5:cf234:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf224:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf225:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf226:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf227:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf228:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf229:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf230:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf231:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf232:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf233:*:*:*:*:*:*
cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf234:*:*:*:*:*:*
Vendors & Products Hcltech digital Experience Compose
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Hcltech
Hcltech digital Experience
Hcltech dx Compose
Vendors & Products Hcltech
Hcltech digital Experience
Hcltech dx Compose
Type Values Removed Values Added
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.
Title HCL Digital Experience and HCL Digital Experience Compose could be susceptible to Host header injection
Weaknesses CWE-601
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
HCL
Published
Updated
Jun 9, 2026, 2:38 PM
Reserved
Jan 5, 2026, 4:08 PM
Status
Analyzed
Published
Jun 5, 2026, 7:16 AM
Modified
Jul 23, 2026, 7:10 AM