CVE-2025-31958 HCL BigFix Service Management (SM) is susceptible to HTTP Request Smuggling

Low 3.7 Published 21 Apr 2026 Updated 21 Apr 2026

Attackers can exploit HTTP request smuggling to bypass security controls and hijack requests in HCL BigFix Service Management.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-31958?

CVE-2025-31958 is a low-severity vulnerability in HCLSoftware BigFix Service Management (SM), published on 21 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HCL BigFix Service Management is susceptible to HTTP Request Smuggling. HTTP request smuggling vulnerabilities arise when websites route HTTP requests through web servers with inconsistent HTTP parsing. HTTP Smuggling exploits inconsistencies in request parsing between front-end and back-end servers, allowing attackers to bypass security controls and perform attacks like cache poisoning or request hijacking.

Weakness: CWE-444

Which versions are affected by CVE-2025-31958?

It affects 1 product.

Products include Hcltech Bigfix Service Management.

How do I fix CVE-2025-31958?

No fix has been published for CVE-2025-31958 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-31958 being exploited?

There is no known exploitation of CVE-2025-31958 in the wild and no public exploit code.

Sources

Also known as GHSA-f8cq-gr3x-x7xf.