CVE-2026-35143 HCL Software CVE debrief

Who should care

Users of HCL DFXAnalytics should verify their configurations and ensure proper mitigations are in place. This includes reviewing the current state of session cookie settings and implementing additional security measures such as Anti-CSRF tokens to prevent potential CSRF attacks.

Technical summary

CVE-2026-35143 is a Missing SameSite Attribute vulnerability in HCL DFXAnalytics. The application fails to set the 'SameSite' attribute on session cookies generated during authentication, potentially allowing Cross-Site Request Forgery (CSRF) attacks if additional mitigations like Anti-CSRF tokens are not implemented. Users of HCL DFXAnalytics should verify their configurations and ensure proper mitigations are in place.

Defensive priority

Low priority due to CVSS score of 3 and limited attack surface. However, users should still take precautions to secure their HCL DFXAnalytics configurations.

Recommended defensive actions

• Verify HCL DFXAnalytics configurations for proper SameSite attribute settings.
• Implement Anti-CSRF tokens as an additional mitigation measure.
• Monitor for unusual activity that could indicate CSRF attacks.
• Review HCL DFXAnalytics system logs for suspicious activity.
• Perform regular security audits to ensure compliance with security best practices.
• Implement additional security measures such as Web Application Firewalls (WAFs) to detect and prevent CSRF attacks.
• Keep HCL DFXAnalytics software and related systems up to date with the latest security patches.

Evidence notes

Evidence is limited; primary source is the NVD. Further verification is recommended. The NVD entry for CVE-2026-35143 is currently Undergoing Analysis. Additional review of HCL DFXAnalytics configurations and potential mitigations is suggested.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.