CVE-2026-86241

MediumCVSS 4.3

Published: 07/09/2026(UTC)Updated: 28/09/2026(UTC)Translated: 07/09/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.49%

40th percentile - higher than 40% of all known CVEs

Summary

A weakness was identified in liufee FeehiCMS up to 2.1.1. The affected file is environments/prod/backend/config/main-local.php (Cookie Validation component). Manipulation of the cookieValidationKey argument causes use of a hard-coded cryptographic key. The attack can be carried out remotely, and the exploit has been made public. The project has not responded yet.

Risk Assessment

An attacker may forge session cookies or gain unauthorized access to accounts. Remote attack increases the risk.

Recommendation

Change the cookieValidationKey to a random and unique value. Also, monitor the project for a response.

Other vulnerabilities in liufee FeehiCMS

CVE-2026-86240Medium
A security flaw was discovered in liufee FeehiCMS up to 2.1.1. The affected function is catchImage in the file backend/widgets/ueditor/Uploader.php (UEditor component). Manipulation of the source[] argument results in server-side request forgery. The attack can be executed remotely, and the exploit has been released publicly. The project has not responded yet.

Original NVD description (English source)

A weakness has been identified in liufee FeehiCMS up to 2.1.1. This impacts an unknown function of the file environments/prod/backend/config/main-local.php of the component Cookie Validation. This manipulation of the argument cookieValidationKey causes use of hard-coded cryptographic key . The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS