Vulnerability · Published Sep 18, 2026 · Assigned by HCL
CVE-2026-56590HCL BigFix Service Management is affected by multiple security vulnerabilities.
Medium 6.4
In plain English
A medium-severity unrestricted file upload in HCL BigFix Service Management from HCL Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.2%top 91.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HCL Software | HCL BigFix Service Management | v27 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N