CVE-2026-35148 HCL Software CVE debrief

Who should care

Users of HCL DFXServer, security teams responsible for vulnerability management, IT operators managing HCL DFXServer deployments, and platform administrators should assess and mitigate this vulnerability to prevent unauthorized access and potential security breaches. The vulnerability's impact on the organization depends on the specific use cases and configurations of HCL DFXServer. All stakeholders involved in maintaining and securing HCL DFXServer should be aware of this vulnerability and take necessary actions.

Technical summary

CVE-2026-35148 is a Missing Access Control vulnerability in HCL DFXServer. Certain endpoints are accessible without authentication, allowing network users to invoke APIs and interact with the application without verification of identity or authorization level. The CVSS score is 6.3, with a severity of MEDIUM. This vulnerability could allow attackers to bypass normal security controls and interact with the application in unintended ways. Affected users should verify the vulnerability's impact on their systems and implement necessary mitigations.

Defensive priority

Medium priority due to the potential for unauthorized access and interaction with the application. However, given the severity and potential impact, it should be addressed in a timely manner as part of regular vulnerability management processes.

Recommended defensive actions

• Verify and apply vendor patches or updates to HCL DFXServer
• Implement additional authentication and authorization controls for exposed endpoints
• Monitor and restrict access to sensitive APIs and application functionality
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Perform a thorough review of HCL DFXServer configurations and deployments to identify potential security risks

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further investigation and verification of affected versions and scope are necessary. The vulnerability affects HCL DFXServer, allowing unauthorized access to certain endpoints without authentication. Defenders should verify the affected versions, assess the vulnerability's impact, and monitor for potential exploitation attempts. Additional research is needed to understand the full scope of the vulnerability.

Official resources