CVE-2024-40686 IBM SmartCloud Analytics - Log Analysis HOST header injection

Medium 5.4 Published 23 Jul 2025 Updated 18 Aug 2025

Attackers can inject HOST headers to enable XSS, cache poisoning, or session hijacking in IBM SmartCloud Analytics Log Analysis.

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

What is CVE-2024-40686?

CVE-2024-40686 is a medium-severity vulnerability in IBM SmartCloud Analytics Log Analysis, published on 23 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM SmartCloud Analytics - Log Analysis 1.3.7.0, 1.3.7.1, 1.3.7.2, 1.3.8.0, 1.3.8.1, and 1.3.8.2 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

Weakness: CWE-644

Which versions are affected by CVE-2024-40686?

It affects 1 product.

Products include Ibm Smartcloud Analytics Log Analysis.

How do I fix CVE-2024-40686?

No fix has been published for CVE-2024-40686 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-40686 being exploited?

There is no known exploitation of CVE-2024-40686 in the wild and no public exploit code.

Sources

Also known as GHSA-hg82-qqjw-ch32.