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GHSA-ggwg-cmwp-46r5critical9.0 Known exploited

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

Impact

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.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

yiisoft/yii2 Packagist
Affected rangeRecorded fix
Earlier releases before 2.0.52Ecosystem versions2.0.52

Version evidence: OSV · GHSA-ggwg-cmwp-46r5

View original version evidence (76 explicit versions)

Original source description

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.

References