CVE-2026-56590CWE-434unrestricted-file-upload

CVE-2026-56590

Medium · published September 18, 2026

CVSS v3.1
6.4
EPSS
0%
Percentile
8.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00193 · 8.4th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-09-18T13:16Z
Affected products (2)
ProductVersionsFixed in
hcltech/bigfix_service_managementall versions—
hcltech/bigfix_service_managementall versions—
References (1)
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133917 · [email protected]
EPSS history
Timeline
  • 19 SEP 03:53Z
    EPSS moved — → 0%
    epss
  • 18 SEP 08:22Z
    HCL BigFix Service Management is affected by multiple security vulnerabilities.
    cvelistv5