Is craftcms/cms 5.12 vulnerable?

Composer · 1 release from 5.12.0 to 5.12.0 · latest craftcms/cms is 5.12.0.1 · checked 4 Nov 2026

No known advisories in the last release

No. No craftcms/cms 5.12.x release has a known security advisory.

Is your project affected?

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Which of your client projects are still on craftcms/cms 5.12?

NPMscan reads the lockfiles in every GitHub repo you pick, finds the exact craftcms/cms version each one installs, and checks it against these advisories. Each finding comes with the command that fixes it.

Other craftcms/cms versions

Advisory data from OSV.dev (opens OSV.dev in a new tab), which includes the GitHub Advisory Database. Release list from the Composer registry. Refreshed daily.