What is CVE-2026-67100?

CVE-2026-67100 is a critical-severity vulnerability in Hcltech Bigfix Service Management, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-09-18.

How severe is CVE-2026-67100?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Hcltech Bigfix Service Management

CVE-2026-67100

HCL BigFix Service Management is affected by SQL Injection flaw and a Cross-Tenant Data Exposure flaw vulnerabilities. which could allow an authenticated attacker to inject database commands to extract sensitive system details, as well as manipulate request values to gain unauthorized access to full personal profile data and PII across different organizations.

Vulnerability class: SQL Injection

Published 2026-09-18 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.5th percentile), scored 2026-11-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Hcltech Bigfix Service Management — versions 23, 27

Weakness classification (CWE)

References

support.hcl-software.com/csm (Vendor Advisory)

Frequently asked questions

What is CVE-2026-67100?: CVE-2026-67100 is a critical-severity vulnerability in Hcltech Bigfix Service Management, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-09-18.
How severe is CVE-2026-67100?: Critical severity. CVSS v3 base score is 9.8 out of 10.