CVE-2026-112103: f3-factory fatfree-core HTTP Client web.php _curl certificate validation
A vulnerability has been found in f3-factory fatfree-core up to 3.9.2. This vulnerability affects the function curl of the file web.php of the component HTTP Client. Such manipulation leads to improper certificate validation. The attack may be performed from remote. Attacks of this nature are highly complex. It is stated that the exploitability is difficult. Upgrading to version 3.9.3 is able to resolve this issue. The name of the patch is a2c755c8dc9ad0eb7d5fd261b09aff90f649433c. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
f3-factory fatfree-coreto a version that resolves this vulnerability.Fixed in 3.9.3Patch a2c755c8dc9ad0eb7d5fd261b09aff90f649433c
Event History
Frequently Asked Questions
Which deployments are affected?
Deployments using composer/f3-factory/fatfree-core through version 3.9.2 are affected, specifically where the HTTP Client component uses the _curl function in web.php.
What does an attacker need to exploit this issue?
The attack can be performed remotely and does not require privileges or user interaction. However, exploitation is described as highly complex and difficult.
Is there a fixed version or patch identifier?
Upgrade fatfree-core to version 3.9.3. The referenced patch is a2c755c8dc9ad0eb7d5fd261b09aff90f649433c.