CVE-2026-21827 PUBLISHED

HCL Connections is vulnerable to an information disclosure vulnerability

Assigner: HCL
Reserved: 05.01.2026 Published: 31.08.2026 Updated: 31.08.2026

HCL Connections is vulnerable to an information disclosure vulnerability which could allow a user to obtain sensitive information they are not entitled to, caused by improper handling of request data they are not entitled to, caused by improper handling of request data.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
CVSS Score: 3.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	None
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	HCLSoftware
Product	Connections
Versions	Default: unaffected Version 7.0, 8.0 is affected

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130164

Problem Types

CWE-359 Exposure of private personal information to an unauthorized actor CWE