New deployments with vulnerable next-mdx-remote versions are now blocked
Vercel now automatically blocks new deployments containing vulnerable versions of the next-mdx-remote package affected by CVE-2026-0969. The protection can be disabled via an environment variable if necessary, but users are strongly encouraged to upgrade to a patched version.
Any new deployment containing a version of the third-party package that is vulnerable to will now automatically fail to deploy on Vercel.next-mdx-remoteCVE-2026-0969
We strongly recommend upgrading to a patched version regardless of your hosting provider.
This automatic protection can be disabled by setting the environment variable on your Vercel project. DANGEROUSLY_DEPLOY_VULNERABLE_CVE_2026_0969=1Learn more
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