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TI-2026-85973 Aliases CVE-2026-66981GHSA-4wr2-hg9j-v736

Untrusted HTTP Host header in HCL AION affects links and redirects

Priority LOW 28CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

HCL AION version V 2.7.0 trusts the HTTP Host header in requests without validating its value. A remote attacker with low privileges can manipulate this header to influence links, redirects or responses that the application generates, and a user must interact for this to succeed. The weakness is classified as CWE-74, improper neutralization of special elements in output used by a downstream component.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

HCL AION is affected by a vulnerability where the application trusted the value of the HTTP Host header supplied in requests without validation. An attacker could manipulate this header to influence links, redirects or responses generated by the application, potentially resulting in unintended behavior or security impact under certain conditions.

Why it matters now

EPSS 0.0013 2nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
HCL SoftwareHCL AIONV 2.7.0—No fix listedCNA
  • HCL AION VendorHCL Software Affected V 2.7.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for HCL AION.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Timeline

  1. 2026-11-06 Threatist record created from CVE-2026-66981
  2. 2026-11-06 Alias added: GHSA-4wr2-hg9j-v736
  3. 2026-11-08 Priority changed: MEDIUM → LOW

References

Other 1

  • TI-2023-24505 Path Traversal which allows file upload capability affects DRYiCE MyXalytics CVSS 3.1CRITICAL 9.8
  • TI-2022-22044 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8
  • TI-2022-22043 Out-of-bounds write in HCL Software Domino CVSS 3.1CRITICAL 9.8
  • TI-2022-22042 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8
  • TI-2022-22041 Out-of-bounds write in HCL Software Domino CVSS 3.1CRITICAL 9.8
  • TI-2022-22040 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8
See all 661 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences