Actively exploited in the wild
Yiiframework Yii Improper Protection of Alternate Path Vulnerability
Yiiframework - Yii · Listed in the CISA KEV since 2025-05-02. This indicates confirmed attacks in production environments.
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CVE-2024-58136
CriticalCVSS 9.0KEVSummary
Yii 2 before 2.0.52 mishandles the attaching of behavior that is defined by an __class array key, a CVE-2024-4990 regression, as exploited in the wild in February through April 2025.
Risk Assessment
An attacker can exploit this vulnerability to perform unauthorized actions in Yii 2-based applications, potentially leading to security breaches.
Recommendation
Upgrade Yii 2 to version 2.0.52 or later and monitor systems for signs of exploitation.
Other vulnerabilities in Yii 2
Original NVD description (English source)
Yii 2 before 2.0.52 mishandles the attaching of behavior that is defined by an __class array key, a CVE-2024-4990 regression, as exploited in the wild in February through April 2025.

