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PatchSiren cyber security CVE debrief

CVE-2026-67100 HCL Software CVE debrief

HCL BigFix Service Management is affected by SQL Injection and Cross-Tenant Data Exposure vulnerabilities. An authenticated attacker could inject database commands to extract sensitive system details and manipulate request values to gain unauthorized access to full personal profile data and PII across different organizations. The vulnerability impacts HCL BigFix Service Management systems, allowing attackers to extract sensitive system details and gain unauthorized access to personal profile data and PII.

Vendor
HCL Software
Product
HCL BigFix Service Management
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-18
Original CVE updated
2026-09-18
Advisory published
2026-09-18
Advisory updated
2026-09-18

Who should care

Defenders and security teams responsible for HCL BigFix Service Management systems should assess exposure and implement compensating controls to prevent unauthorized access to sensitive data. This includes verifying system configurations, monitoring for suspicious activity, and implementing incident response plans. Security teams should also review vendor patch guidance and conduct exposure reviews for HCL BigFix Service Management systems.

Why it matters

Defenders should prioritize verifying exposure and implementing compensating controls to prevent unauthorized access to sensitive data in HCL BigFix Service Management systems.

  • Verify exposure to prevent unauthorized access to sensitive data
  • Implement compensating controls to prevent data breaches
  • Monitor for suspicious activity to detect potential attacks

Technical summary

The CVE record and NVD vulnerability detail page provide information on the SQL Injection and Cross-Tenant Data Exposure vulnerabilities in HCL BigFix Service Management, which could allow an authenticated attacker to inject database commands and manipulate request values. The vulnerability impacts HCL BigFix Service Management systems, allowing attackers to extract sensitive system details and gain unauthorized access to personal profile data and PII. Defenders should prioritize verifying exposure and implementing compensating controls to prevent unauthorized access to sensitive data.

Defensive priority

Defenders should prioritize verifying exposure and implementing compensating controls to prevent unauthorized access to sensitive data.

Recommended defensive actions

  • Verify exposure by checking system configurations and inventory
  • Implement compensating controls to prevent unauthorized access to sensitive data
  • Monitor for suspicious activity and implement incident response plans
  • Review vendor patch guidance for HCL BigFix Service Management
  • Conduct exposure review for HCL BigFix Service Management systems
  • Implement monitoring for potential attacks on HCL BigFix Service Management
  • Track exceptions and retest remediated assets for HCL BigFix Service Management

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the SQL Injection and Cross-Tenant Data Exposure vulnerabilities in HCL BigFix Service Management. The evidence is limited to publicly available information from these sources, and defenders should verify the accuracy of this information within their specific environments. The CVE record was published on 2026-09-18T08:17:00.603Z and has not been modified since then.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-67100 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-67100

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-67100 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-67100

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

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.