CVEs affecting the Svelte ecosystem

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A new Svelte blog post/announcement has been posted!

We’ve released patches for 5 vulnerabilities across devalue, svelte, @sveltejs/kit, and @sveltejs/adapter-node. Here’s what you need to know:

Upgrade now

If you’re using any of these packages, upgrade them to their corresponding non-vulnerable versions:

• devalue: 5.6.2
• svelte: 5.46.4
• @sveltejs/kit: 2.49.5
• @sveltejs/adapter-node: 5.5.1

For cross-dependent packages — svelte and @sveltejs/kit depend on devalue — patched versions already include upgraded dependencies.

Commentary

We’re extremely thankful to all of the security researchers who responsibly disclosed these vulnerabilities and worked with us to get them fixed, to the security team at Vercel who helped us navigate the disclosure process, and to the maintainers who worked to publish the fixes.

Over the last few weeks, we’ve seen a spate of high profile vulnerabilities affecting popular tools across the web development ecosystem. While they are unfortunate, it has been encouraging to see the community pulling together to keep end users safe. Using the lessons learned from these vulnerabilities, we will invest in processes that will help catch future bugs during the writing and review phases, before they go live.

If you think you have discovered a vulnerability in a package maintained by the Svelte team, we urge you to privately report it via the Security tab on the repo in question (or the Svelte repo, if unsure).

Details<...

Get the full details here: CVEs affecting the Svelte ecosystem