CVE-2026-21827

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.

  • Published Aug 31, 2026
  • CVSS 3.1 low
  • 0.2% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-21827 at the National Vulnerability Database