CVE-2026-56590 HCL BigFix Service Management is affected by multiple security vulnerabilities.
Unauthenticated attackers can upload malicious files to HCL BigFix Service Management, leading to complete server compromise via code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-56590?
CVE-2026-56590 is a medium-severity vulnerability in HCL BigFix Service Management, published on 18 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
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.
Weakness: CWE-434
Which versions are affected by CVE-2026-56590?
It affects 1 product.
Products include Hcltech Bigfix Service Management.
How do I fix CVE-2026-56590?
No fix has been published for CVE-2026-56590 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-56590 being exploited?
There is no known exploitation of CVE-2026-56590 in the wild and no public exploit code.
Other vulnerabilities in HCL BigFix Service Management
- CVE-2026-67100 HCL BigFix Service Management is affected by multiple security vulnerabilities.
- CVE-2026-67101 HCL BigFix Service Management is affected by multiple security vulnerabilities.
- CVE-2024-30151 HCL BigFix Service Management (SM) is susceptible to Broken Access Control Vulnerability
- CVE-2026-67102 HCL BigFix Service Management is affected by multiple security vulnerabilities.
- CVE-2026-67103 HCL BigFix Service Management is affected by multiple security vulnerabilities.
Sources
Also known as GHSA-4929-xpw2-7hx7.