CVE-2026-21826 (GCVE-0-2026-21826)

Vulnerability from cvelistv5 – Published: 2026-06-05 05:58 – Updated: 2026-06-05 05:58
VLAI
Title
HCL Digital Experience and HCL Digital Experience Compose could be susceptible to Host header injection
Summary
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.
CWE
  • CWE-601 - URL redirection to untrusted site ('open redirect')
Assigner
HCL
Impacted products
Date Public
2026-06-05 05:37
Show details on NVD website

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          "product": "Digital Experience \u0026 DX Compose",
          "vendor": "HCLSoftware",
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              "version": "9.5"
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    "dateReserved": "2026-01-05T16:08:22.255Z",
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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