CVE-2024-58136: yiisoft/yii2 Mishandles the Attaching of Behavior Defined by a `__class` Array Key

critical KEV Affects yiisoft/yii2. Feed 2026.10.29.1, updated 2026-10-28; published 2025-04-10; advisory modified 2025-10-22; listed on CISA KEV 2025-05-02.

yiisoft/yii2 Mishandles the Attaching of Behavior Defined by a `__class` Array Key

Package: yiisoft/yii2 Composer
Affected versions: <2.0.52
Fixed in: 2.0.52
Severity: critical CVSS 9.0
Exploitation: KEV listed by CISA as actively exploited · EPSS 88% (99.8th percentile)
Published: 2025-04-10
Source: osv.dev

References

CWE-424

NVD record yiisoft/yii2 advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2024-4990 high Unsafe Reflection in base Component class in yiisoft/yii2 same package: yiisoft/yii2
CVE-2020-15148 high Unsafe deserialization in Yii 2 same package: yiisoft/yii2
CVE-2018-6010 high Yii Framework reflected Cross-site Scripting same package: yiisoft/yii2
CVE-2015-3397 medium Yii Framework Cross-site Scripting Vulnerability same package: yiisoft/yii2
CVE-2018-7269 critical Yii SQL injection vulnerability same package: yiisoft/yii2
CVE-2017-7271 medium Yii Framework Reflected XSS same package: yiisoft/yii2