CVE-2025-15619 HCLSoftware CVE debrief

Who should care

Organizations using HCL Connections should be aware of this vulnerability and review their instances to determine if they are affected. Although the CVSS score is LOW, it's essential to assess the potential impact on your organization's specific use case. Security teams and administrators responsible for HCL Connections should prioritize reviewing the vendor's advisory and assessing their exposure.

Technical summary

CVE-2025-15619 is a broken access control vulnerability in HCL Connections. The vulnerability has been assigned a CVSS score of 3.5 and a severity of LOW. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N, indicating that the vulnerability can be exploited over the network with low privileges and requires user interaction. The vulnerability is related to CWE-284 (Improper Access Control) and CWE-319 (Cleartext Transmission of Sensitive Information).

Defensive priority

Given the LOW severity and limited details about the specific scenario, the defensive priority is moderate. Organizations should review their HCL Connections instances and ensure they are up-to-date with the latest security patches.

Recommended defensive actions

• Review the vendor's advisory (https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130163) for CVE-2025-15619
• Assess your organization's exposure to this vulnerability
• Ensure HCL Connections instances are up-to-date with the latest security patches
• Monitor for any additional information about the specific scenario in which the vulnerability occurs

Evidence notes

The CVE was published on 2026-06-23T16:16:58.393Z and last modified on 2026-06-25T20:20:44.730Z. The vendor, HCL Software, has provided a reference for this vulnerability. However, details about the specific scenario in which the vulnerability occurs are limited. The NVD has categorized the vulnerability as 'Awaiting Analysis'.

Official resources