HCL BigFix Service Management is affected by an Unrestricted File Upload vulnerability due to improper file validation controls, which could allow an unauthenticated a…

Are you affected?

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The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

• cpe hcltech/bigfix service management23
• cpe hcltech/bigfix service management27

How to fix CVE-2026-56590

• No stored fix

  No vendor fix text is stored. Use the linked advisory before you change production.

• Version check

  No version range is stored, so an installed version cannot be checked on this page.

• Advisory

  Open the cve_org record and follow its fix.

• Official advisories

  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • NIST NVD · nvd.nist.gov

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Sep 18, 2026 · NIST NVD

   Detected

   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.

2. Oct 14, 2026 · NIST NVD

   Updated

   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.

Sources

• CVE.orgVulnerability recordCVE-2026-56590

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-56590

  30-day exploitation probability 0.19%

  first.org
• NIST NVDVulnerability recordCVE-2026-56590

  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.

  nvd.nist.gov

References

• Vendor Advisory · support.hcl-software.com

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

• FIRST EPSSOct 23, 2026
• CVE.orgOct 16, 2026
• NIST NVDOct 14, 2026