What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-07 · updated 2026-09-28
• Weakness: CWE-320

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.

Affected products

• liufee FeehiCMS: 2.1.0, 2.1.1

References

• https://github.com/liufee/cms/issues/96
• https://github.com/yang5ynag/cve/blob/main/FEHI-003-Empty-cookieValidationKey.md
• https://vuldb.com/cve/CVE-2026-86241
• https://vuldb.com/submit/901836
• https://vuldb.com/vuln/399398
• https://vuldb.com/vuln/399398/cti

Get alerted when CVE-2026-86241 or the next vulnerability affects your stack