HCL Connections Vulnerability Allowing Unauthorized Data Manipulation
CVE-2026-21789

4.6MEDIUM

Key Information:

Vendor

HCL Softwaresoftware

Status
Connections
Vendor
CVE Published:
18 May 2026

What is CVE-2026-21789?

HCL Connections is affected by a vulnerability that involves broken access control, which could permit an unauthorized user to update data in specific cases. This flaw poses significant risks by potentially allowing malicious actors to alter sensitive information without appropriate permissions, emphasizing the necessity for timely updates and robust security measures.

Affected Version(s)

Connections 8.0

References

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

CVSS V3.1

Score:
4.6
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.