yiisoft/yii2 (packagist) has 12 known vulnerabilities, the worst rated CRITICAL. Upgrade to 2.0.55 or later to clear all of them. No malicious-package signal is recorded.
CRITICALGitHub ratingexploited in the wildCVE-2024-58136
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…
CyberXYZ does not call a package safe in absolute terms. It records 12 known vulnerabilities for yiisoft/yii2 (packagist), the worst rated CRITICAL, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does yiisoft/yii2 have known vulnerabilities?
Yes. CyberXYZ records 12 known vulnerabilities for yiisoft/yii2 (packagist), the worst rated CRITICAL. These include GHSA-ggwg-cmwp-46r5, GHSA-7cfq-72w2-24q4, GHSA-5vpg-rj7q-qpw2, GHSA-cjcc-p67m-7qxm, GHSA-cwhm-272p-3wj9.
Which version of yiisoft/yii2 should I use?
2.0.55 or later clears every advisory recorded for yiisoft/yii2 (packagist). Check the release you pick before installing it.
How do I check yiisoft/yii2 before installing?
Search yiisoft/yii2 in CyberXYZ Check at https://cyberxyz.io/check?q=yiisoft%2Fyii2. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 13:08 UTC. The most recent advisory here was published 2026-05-11. Updated continuously from NVD, GHSA, OSV and CNA feeds.