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TI-2026-40820 Aliases CVE-2026-56590GHSA-4929-xpw2-7hx7

HCL BigFix Service Management is affected by multiple security vulnerabilities.

Priority MEDIUM 42CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

HCL BigFix Service Management is affected by an Unrestricted File Upload vulnerability due to improper file validation controls, which could allow an unauthenticated attacker to upload and execute malicious payloads, resulting in a complete server compromise.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00193 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HCL SoftwareHCL BigFix Service Managementv27—No fix listedCNA
  • HCL BigFix Service Management VendorHCL Software Affected v27 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:hcltech:bigfix_service_management:23:-:*:*:*:*:*:*23VulnerableHCL Software
cpe:2.3:a:hcltech:bigfix_service_management:27:-:*:*:*:*:*:*27VulnerableHCL Software
  • cpe:2.3:a:hcltech:bigfix_service_management:23:-:*:*:*:*:*:* Versions 23 Vulnerable ·HCL Software
  • cpe:2.3:a:hcltech:bigfix_service_management:27:-:*:*:*:*:*:* Versions 27 Vulnerable ·HCL Software

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-56590
  2. 2026-10-03 Alias added: GHSA-4929-xpw2-7hx7
  3. 2026-10-15 CVSS score added · NVD
  4. 2026-10-15 Priority changed: LOW → MEDIUM

References

  • TI-2026-47494 HCL BigFix Service Management is affected by multiple security vulnerabilities. CVSS 3.1CRITICAL 9.8
  • TI-2026-40821 HCL BigFix Service Management is affected by multiple security vulnerabilities. CVSS 3.1CRITICAL 9.8
  • TI-2026-47495 HCL BigFix Service Management is affected by multiple security vulnerabilities. CVSS 3.1CRITICAL 9.3
  • TI-2026-17536 HCL BigFix Service Management was affected with Admin Session Concurrency vulnerability (CVE-2026-21806) CVSS 3.1CRITICAL 9.8
  • TI-2025-23103 HCL BigFix Service Management (SM) is susceptible to a Configuration – 'Insecure Use of… CVSS 3.1CRITICAL 9.8
  • TI-2025-32693 HCL BigFix Service Management (SM) is affected by use of a vulnerable component CVSS 3.1HIGH 8.8
See all 35 →

Sources