CVE-2026-21827: low-severity vulnerability in HCLSoftware Connections
HCL Connections is vulnerable to an information disclosure vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 3.1epss 0.2%
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Affected products
HCLSoftware · ConnectionsRelated CVEs — HCLSoftware Connections
In the same product, most dangerous first.
CVE-2025-52603LOWHCL Connections is vulnerable to information disclosureEPSS 0.3%CVE-2026-56538LOWHCL Connections is vulnerable to information disclosureEPSS 0.3%CVE-2026-56537LOWHCL Connections is vulnerable to information disclosureEPSS 0.3%CVE-2025-62341LOWHCL Connections is vulnerable to server-side request forgery (SSRF)EPSS 0.2%CVE-2026-21788MEDIUMHCL Connections is vulnerable to cross-site scripting (XSS)EPSS 0.2%CVE-2025-15619LOWHCL Connections is vulnerable to broken access controlEPSS 0.2%