CVE-2026-86241 liufee FeehiCMS Cookie Validation main-local.php hard-coded key

Medium 5.3 Published Updated

Attackers can bypass cookie validation in FeehiCMS due to a hard-coded cryptographic key, potentially leading to session hijacking or unauthorized access.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-86241?

CVE-2026-86241 is a medium-severity vulnerability in liufee FeehiCMS, published on 7 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-321, CWE-320

Which versions are affected by CVE-2026-86241?

How do I fix CVE-2026-86241?

No fix has been published for CVE-2026-86241 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-86241 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86241 exists.

Sources

Also known as GHSA-pqpw-2pq6-37xx.

Is CVE-2026-86241 in your software?

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