CVE-2026-21826

6.1 mediumEPSS 0.1%

Medium (6.1) in hcltech. EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWE: CWE-601
Published: 2026-06-05
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

hcltech:digital_experience
hcltech:digital_experience_compose

References

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

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